diff --git a/.nojekyll b/.nojekyll
index 357fa0d..9390d79 100644
--- a/.nojekyll
+++ b/.nojekyll
@@ -1 +1 @@
-6fe5d56f
\ No newline at end of file
+5437eebc
\ No newline at end of file
diff --git a/github/gh-collaboration.html b/github/gh-collaboration.html
index 7ae46b2..9fdc5da 100644
--- a/github/gh-collaboration.html
+++ b/github/gh-collaboration.html
@@ -81,7 +81,7 @@
       <button type="button" class="quarto-btn-toggle btn" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
         <i class="bi bi-layout-text-sidebar-reverse"></i>
       </button>
-        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="../github/gh-collaboration.html">Github</a></li><li class="breadcrumb-item"><a href="../github/gh-collaboration.html"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></a></li></ol></nav>
+        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="../github/gh-collaboration.html">Github</a></li><li class="breadcrumb-item"><a href="../github/gh-collaboration.html"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></a></li></ol></nav>
         <a class="flex-grow-1" role="button" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">      
         </a>
       <button type="button" class="btn quarto-search-button" aria-label="" onclick="window.quartoOpenSearch();">
@@ -115,7 +115,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="../schedule.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span></a>
+ <span class="menu-text">Schedule</span></a>
   </div>
 </li>
         <li class="sidebar-item sidebar-item-section">
@@ -130,7 +130,7 @@
           <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="../github/gh-collaboration.html" class="sidebar-item-text sidebar-link active">
- <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
+ <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
   </div>
 </li>
       </ul>
@@ -138,7 +138,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="../summary.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
+ <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
   </div>
 </li>
         <li class="sidebar-item">
@@ -575,12 +575,12 @@
 <nav class="page-navigation">
   <div class="nav-page nav-page-previous">
       <a href="../schedule.html" class="pagination-link" aria-label="Schedule">
-        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span>
+        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text">Schedule</span>
       </a>          
   </div>
   <div class="nav-page nav-page-next">
       <a href="../summary.html" class="pagination-link" aria-label="Summary">
-        <span class="nav-page-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span> <i class="bi bi-arrow-right-short"></i>
+        <span class="nav-page-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span> <i class="bi bi-arrow-right-short"></i>
       </a>
   </div>
 </nav>
diff --git a/index.html b/index.html
index e92ba7a..4e49c55 100644
--- a/index.html
+++ b/index.html
@@ -119,7 +119,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./schedule.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span></a>
+ <span class="menu-text">Schedule</span></a>
   </div>
 </li>
         <li class="sidebar-item sidebar-item-section">
@@ -134,7 +134,7 @@
           <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./github/gh-collaboration.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
+ <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
   </div>
 </li>
       </ul>
@@ -142,7 +142,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./summary.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
+ <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
   </div>
 </li>
         <li class="sidebar-item">
@@ -689,7 +689,7 @@ <h3 class="anchored" data-anchor-id="sequence-diagram">Sequence diagram</h3>
   </div>
   <div class="nav-page nav-page-next">
       <a href="./schedule.html" class="pagination-link" aria-label="Schedule">
-        <span class="nav-page-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span> <i class="bi bi-arrow-right-short"></i>
+        <span class="nav-page-text">Schedule</span> <i class="bi bi-arrow-right-short"></i>
       </a>
   </div>
 </nav>
diff --git a/references.html b/references.html
index 7f5f2c3..0f2c5ef 100644
--- a/references.html
+++ b/references.html
@@ -133,7 +133,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./schedule.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span></a>
+ <span class="menu-text">Schedule</span></a>
   </div>
 </li>
         <li class="sidebar-item sidebar-item-section">
@@ -148,7 +148,7 @@
           <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./github/gh-collaboration.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
+ <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
   </div>
 </li>
       </ul>
@@ -156,7 +156,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./summary.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
+ <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
   </div>
 </li>
         <li class="sidebar-item">
@@ -614,7 +614,7 @@ <h1 class="title">References</h1>
 <nav class="page-navigation">
   <div class="nav-page nav-page-previous">
       <a href="./summary.html" class="pagination-link" aria-label="Summary">
-        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span>
+        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span>
       </a>          
   </div>
   <div class="nav-page nav-page-next">
diff --git a/schedule.html b/schedule.html
index e8b8fc5..bb3c143 100644
--- a/schedule.html
+++ b/schedule.html
@@ -7,7 +7,7 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
 
 
-<title>Training: Tech shorts - 1&nbsp; Schedule</title>
+<title>Training: Tech shorts - Schedule</title>
 <style>
 code{white-space: pre-wrap;}
 span.smallcaps{font-variant: small-caps;}
@@ -81,7 +81,7 @@
       <button type="button" class="quarto-btn-toggle btn" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
         <i class="bi bi-layout-text-sidebar-reverse"></i>
       </button>
-        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="./schedule.html"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></a></li></ol></nav>
+        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="./schedule.html">Schedule</a></li></ol></nav>
         <a class="flex-grow-1" role="button" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">      
         </a>
       <button type="button" class="btn quarto-search-button" aria-label="" onclick="window.quartoOpenSearch();">
@@ -115,7 +115,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./schedule.html" class="sidebar-item-text sidebar-link active">
- <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span></a>
+ <span class="menu-text">Schedule</span></a>
   </div>
 </li>
         <li class="sidebar-item sidebar-item-section">
@@ -130,7 +130,7 @@
           <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./github/gh-collaboration.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
+ <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
   </div>
 </li>
       </ul>
@@ -138,7 +138,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./summary.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
+ <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
   </div>
 </li>
         <li class="sidebar-item">
@@ -160,7 +160,7 @@
 
 <header id="title-block-header" class="quarto-title-block default">
 <div class="quarto-title">
-<h1 class="title"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></h1>
+<h1 class="title">Schedule</h1>
 </div>
 
 
@@ -610,7 +610,7 @@ <h1 class="title"><span class="chapter-number">1</span>&nbsp; <span class="chapt
   </div>
   <div class="nav-page nav-page-next">
       <a href="./github/gh-collaboration.html" class="pagination-link" aria-label="gh-collaboration.html">
-        <span class="nav-page-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span> <i class="bi bi-arrow-right-short"></i>
+        <span class="nav-page-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span> <i class="bi bi-arrow-right-short"></i>
       </a>
   </div>
 </nav>
diff --git a/search.json b/search.json
index 21e38d6..b378ec5 100644
--- a/search.json
+++ b/search.json
@@ -22,21 +22,21 @@
   {
     "objectID": "schedule.html",
     "href": "schedule.html",
-    "title": "1  Schedule",
+    "title": "Schedule",
     "section": "",
     "text": "Dates for each lesson, listed in reverse chronological order. Meetings are over Zoom, Tuesdays at 13.00. Meeting links are provided by the teacher.\n\n24/05/07: TBD\n24/04/30: No lesson - Reduced working day.\n24/04/23: Per - Review: Quarto\n24/04/16: Per - Quarto\n24/04/09: No lesson - NBIS retreat.\n24/04/02: Mahesh - Review: Introduction to Git.\n24/03/26: Mahesh - Review: Collaboration in Github.\n24/03/19: Mahesh - Introduction to Git.\n24/03/12: Mahesh - Collaboration in Github.",
     "crumbs": [
-      "<span class='chapter-number'>1</span>  <span class='chapter-title'>Schedule</span>"
+      "Schedule"
     ]
   },
   {
     "objectID": "summary.html",
     "href": "summary.html",
-    "title": "3  Summary",
+    "title": "2  Summary",
     "section": "",
     "text": "In summary, this book has no content whatsoever.",
     "crumbs": [
-      "<span class='chapter-number'>3</span>  <span class='chapter-title'>Summary</span>"
+      "<span class='chapter-number'>2</span>  <span class='chapter-title'>Summary</span>"
     ]
   }
 ]
\ No newline at end of file
diff --git a/summary.html b/summary.html
index 58672d4..7bc6243 100644
--- a/summary.html
+++ b/summary.html
@@ -7,7 +7,7 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
 
 
-<title>Training: Tech shorts - 3&nbsp; Summary</title>
+<title>Training: Tech shorts - 2&nbsp; Summary</title>
 <style>
 code{white-space: pre-wrap;}
 span.smallcaps{font-variant: small-caps;}
@@ -81,7 +81,7 @@
       <button type="button" class="quarto-btn-toggle btn" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
         <i class="bi bi-layout-text-sidebar-reverse"></i>
       </button>
-        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="./summary.html"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></a></li></ol></nav>
+        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="./summary.html"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></a></li></ol></nav>
         <a class="flex-grow-1" role="button" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">      
         </a>
       <button type="button" class="btn quarto-search-button" aria-label="" onclick="window.quartoOpenSearch();">
@@ -115,7 +115,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./schedule.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">Schedule</span></span></a>
+ <span class="menu-text">Schedule</span></a>
   </div>
 </li>
         <li class="sidebar-item sidebar-item-section">
@@ -130,7 +130,7 @@
           <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./github/gh-collaboration.html" class="sidebar-item-text sidebar-link">
- <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
+ <span class="menu-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span></a>
   </div>
 </li>
       </ul>
@@ -138,7 +138,7 @@
         <li class="sidebar-item">
   <div class="sidebar-item-container"> 
   <a href="./summary.html" class="sidebar-item-text sidebar-link active">
- <span class="menu-text"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
+ <span class="menu-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></span></a>
   </div>
 </li>
         <li class="sidebar-item">
@@ -160,7 +160,7 @@
 
 <header id="title-block-header" class="quarto-title-block default">
 <div class="quarto-title">
-<h1 class="title"><span class="chapter-number">3</span>&nbsp; <span class="chapter-title">Summary</span></h1>
+<h1 class="title"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">Summary</span></h1>
 </div>
 
 
@@ -594,7 +594,7 @@ <h1 class="title"><span class="chapter-number">3</span>&nbsp; <span class="chapt
 <nav class="page-navigation">
   <div class="nav-page nav-page-previous">
       <a href="./github/gh-collaboration.html" class="pagination-link" aria-label="gh-collaboration.html">
-        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text"><span class="chapter-number">2</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span>
+        <i class="bi bi-arrow-left-short"></i> <span class="nav-page-text"><span class="chapter-number">1</span>&nbsp; <span class="chapter-title">gh-collaboration.html</span></span>
       </a>          
   </div>
   <div class="nav-page nav-page-next">