diff --git a/README.md b/README.md
index 8a3ca9f891..4fc0b5776f 100644
--- a/README.md
+++ b/README.md
@@ -121,7 +121,7 @@ Originally inspired by languages like MATLAB© and GNU Octave, Nelson offers use
 ## 📚 **Resources**
 
 - **Homepage:** <https://nelson-lang.github.io/nelson-website/>
-- **GitBook:** <https://nelson-9.gitbook.io/nelson/>
+- **GitBook:** <https://nelson-lang.github.io/nelson-gitbook/>
 - **Documentation:** <https://nelson-lang.github.io/nelson-website/help/en_US/>
 - **Source code:** <https://github.com/nelson-lang/nelson>
 - **Binaries:** <https://github.com/nelson-lang/nelson/releases>
diff --git a/chocolatey/nelson/nelson.nuspec b/chocolatey/nelson/nelson.nuspec
index dbfa9470b6..fd105b030d 100644
--- a/chocolatey/nelson/nelson.nuspec
+++ b/chocolatey/nelson/nelson.nuspec
@@ -27,7 +27,7 @@ This is a nuspec. It mostly adheres to https://docs.nuget.org/create/Nuspec-Refe
     <iconUrl>https://raw.githubusercontent.com/nelson-lang/nelson/master/desktop/icons/hicolor/256x256/apps/nelson.png</iconUrl>
     <copyright>2016-present</copyright>
     <projectSourceUrl>https://github.com/nelson-lang/nelson</projectSourceUrl>
-    <docsUrl>https://nelson-9.gitbook.io/nelson/</docsUrl>
+    <docsUrl>https://nelson-lang.github.io/nelson-gitbook/</docsUrl>
     <!--<mailingListUrl></mailingListUrl>-->
     <bugTrackerUrl>https://github.com/nelson-lang/nelson/issues</bugTrackerUrl>
     <licenseUrl>https://raw.githubusercontent.com/nelson-lang/nelson/master/lgpl-3.0.md</licenseUrl>
diff --git a/modules/sio_client/functions/doc.m b/modules/sio_client/functions/doc.m
index 42a43dfafa..2019010821 100644
--- a/modules/sio_client/functions/doc.m
+++ b/modules/sio_client/functions/doc.m
@@ -9,7 +9,10 @@
 %=============================================================================
 function doc(varargin)
   % replaces standard 'doc' function to open help in web browser
-  url_help = 'https://nelson-9.gitbook.io/nelson/en/';
+  ver_number = version('-number');
+  version_string = sprintf('v%d.%d.%d', ver_number(1), ver_number(2), ver_number(3));
+  language = 'en_US';
+  url_help = ['https://nelson-lang.github.io/nelson-gitbook/', language, '/', version_string, '/'];
   if nargin() > 1
     error(_('Wrong number of input arguments.'));
   end
@@ -20,12 +23,12 @@ function doc(varargin)
     end
     module = which(name,'-module');
     if isempty(module)
-      sioemit('help', [url_help , '?q=', name]);
+      sioemit('help', [url_help , '?search=', name]);
     else
       if length(module) == 1
         sioemit('help', [url_help, module{1}, '/', name, '.html']);
       else
-        sioemit('help', [url_help , '?q=', name]);
+        sioemit('help', [url_help , '?search=', name]);
       end
     end
   else