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Typo fixes

Author: Jill Grant

articles/application-gateway/parameter-based-path-selection-portal.md

@@ -40,7 +40,7 @@ For this example, you have a shopping website and the product category is passed
 
 * The third rule has a condition that checks the *query_string* variable for *category=accessories* and has an action that rewrites the URL path to /*listing3* and has **Reevaluate path map** enabled
 
-    :::image type="content" source="./media/rewrite-http-headers-url/url-scenario1-2.png" alt-text="A screenshow of URL rewrite scenario 1-2.":::
+    :::image type="content" source="./media/rewrite-http-headers-url/url-scenario1-2.png" alt-text="A screenshot of URL rewrite scenario 1-2.":::
 
 
 **Step 2 (b):** Associate this rewrite set with the default path of the previous path-based rule:

articles/application-gateway/rewrite-http-headers-url.md

@@ -203,7 +203,7 @@ Here are the steps for replacing the hostname:
 1. Create a rewrite rule with a condition that evaluates if the location header in the response contains azurewebsites.net. Enter the pattern `(https?):\/\/.*azurewebsites\.net(.*)$`.
 2. Perform an action to rewrite the location header so that it has the application gateway's hostname. Do this by entering `{http_resp_Location_1}://contoso.com{http_resp_Location_2}` as the header value. Alternatively, you can also use the server variable `host` to set the hostname to match the original request.
 
-   ![A screenshow of the modify location header action.](./media/rewrite-http-headers-url/app-service-redirection.png)
+   ![A screenshot of the modify location header action.](./media/rewrite-http-headers-url/app-service-redirection.png)
 
 #### Implement security HTTP headers to prevent vulnerabilities