diff --git a/src/composables/useKeyboardShortcuts.ts b/src/composables/useKeyboardShortcuts.ts
index c449c0a0..2acbc224 100644
--- a/src/composables/useKeyboardShortcuts.ts
+++ b/src/composables/useKeyboardShortcuts.ts
@@ -90,6 +90,8 @@ export default function useKeyboardShortcuts(
       if (e.key && e.key === 'Tab') {
         getTextSelection()
 
+        // Require an active text selection to bind a tab or shift+tab
+        // This configuration passes the ["no keyboard trap"](https://www.w3.org/TR/WCAG21/#no-keyboard-trap) criterion of the W3C Web Content Accessibility Guidelines
         if (selectedText.text) {
           e.preventDefault()
           if (e.shiftKey) {
diff --git a/src/composables/useMarkdownActions.ts b/src/composables/useMarkdownActions.ts
index 030f38bc..243aa29c 100644
--- a/src/composables/useMarkdownActions.ts
+++ b/src/composables/useMarkdownActions.ts
@@ -133,6 +133,7 @@ export default function useMarkdownActions(
           // Always focus back on the textarea
           await focusTextarea()
 
+          // Set the cursor position
           textarea.selectionEnd = selectedText.start - wrapperLength
 
           return
@@ -233,6 +234,7 @@ export default function useMarkdownActions(
         return
       }
 
+      // If some text is selected
       if (selectedText.text.length !== 0) {
         // Count number of line breaks in selection. Only include a single `\n` or the last of `\n\n`
         lineBreakCount = (selectedText.text.match(/\n(?!\n)/g) || []).length