chore(doc): auto generate docs

Author: github-actions[bot]

doc/CopilotChat.txt

@@ -247,10 +247,11 @@ You can install more agents from here
 
 CONTEXTS ~
 
-Contexts are used to determine the context of the chat. You can set the context
-in the prompt by using `#` followed by the context name. If context supports
-input, you can set the input in the prompt by using `:` followed by the input
-(or pressing `complete` key after `:`). Default contexts are:
+Contexts are used to determine the context of the chat. You can add context to
+the prompt by using `#` followed by the context name (multiple contexts are
+supported). If context supports input, you can set the input in the prompt by
+using `:` followed by the input (or pressing `complete` key after `:`). Default
+contexts are:
 
 - `buffer` - Includes specified buffer in chat context (default current). Supports input.
 - `buffers` - Includes all buffers in chat context (default listed). Supports input.