Fix bash with multiline string

docs/intro/tutorials/ai_fastapi_searchbot.rst

@@ -186,7 +186,7 @@ with semantic search-based cross-chat memory.
         "response": "string",
       }
 
-1. Implement web search
+3. Implement web search
 =======================
 
 Now that we have our web app infrastructure in place, let's add some substance
@@ -956,10 +956,10 @@ In this tutorial we'll write queries using :ref:`EdgeQL <ref_intro_edgeql>` and
 
   That concludes our User-related functionality. Next, we need to handle Chats and Messages. Since the process is quite similar to what we've just covered, we won't go into detail. Instead, you can implement these endpoints yourself as an exercise or simply copy the following code if you're in a rush.
 
-  .. code-block:: txt
+  .. code-block:: bash
       :class: collapsible
 
-      echo 'select Chat {
+      $ echo 'select Chat {
           messages: { role, body, sources },
           user := .<chats[is User],
       } filter .user.name = <str>$username;
@@ -988,7 +988,8 @@ In this tutorial we'll write queries using :ref:`EdgeQL <ref_intro_edgeql>` and
           body,
           sources,
           chat := .<messages[is Chat]
-      } filter .chat = chat;' > app/queries/get_messages.edgeql && 
+      } filter .chat = chat;
+      ' > app/queries/get_messages.edgeql && 
       echo 'with
           user := (select User filter .name = <str>$username),
       update Chat