added screenshot

Author: ramsrib

fern/knowledge-base/knowledge-base.mdx

@@ -55,11 +55,10 @@ There are two main approaches to creating a Knowledge Base in Vapi:
 3. In the assistant configuration, locate the "Files" or "Knowledge Base" section
 4. Select the files you uploaded in Step 1 to associate them with this assistant
 
-<Frame caption="Select files from your Assistant" height="300">
+<Frame caption="Select files from your Assistant">
   <img
     src="../static/images/knowledge-base/assistant.png"
     alt="Select files from your Assistant"
-    height="300"
   />
 </Frame>
 

fern/knowledge-base/using-query-tool.mdx

@@ -101,6 +101,13 @@ curl --location --request PATCH 'https://api.vapi.ai/assistant/ASSISTANT_ID' \
 4. Add the query tool by selecting it from the available tools
 5. Save and publish your assistant
 
+<Frame caption="Adding a query tool to your assistant">
+  <img
+    src="../static/images/knowledge-base/query-tool.png"
+    alt="Adding a query tool to your assistant"
+  />
+</Frame>
+
 ## **Advanced Configuration Options**
 
 ### **Multiple Knowledge Bases**