Update serp-api-tool.md

Author: ShawnJackson

articles/ai-studio/how-to/prompt-flow-tools/serp-api-tool.md

@@ -34,7 +34,7 @@ To create a Serp connection:
 
     - `azureml.flow.connection_type`: `Custom`
     - `azureml.flow.module`: `promptflow.connections`
-    - `api_key`: Your_Serp_API_key. You must select the **is secret** checkbox to keep the API key secure.
+    - `api_key`: Your Serp API key. You must select the **is secret** checkbox to keep the API key secure.
 
     :::image type="content" source="../../media/prompt-flow/serp-custom-connection-keys.png" alt-text="Screenshot that shows adding extra information to a custom connection in AI Studio." lightbox = "../../media/prompt-flow/serp-custom-connection-keys.png":::
 
@@ -79,4 +79,4 @@ The JSON representation from a `serpapi` query:
 
 ## Next steps
 
-- [Learn more about how to create a flow](../flow-develop.md)
+- [Learn more about how to create a flow](../flow-develop.md)