Update api.mdx

Co-authored-by: Carmen Popoviciu <[email protected]>

Author: emily-shen

src/content/docs/workers/wrangler/api.mdx

@@ -391,7 +391,7 @@ The bindings supported by `getPlatformProxy` are:
 
   - To use a Durable Object binding with `getPlatformProxy`, always specify a [`script_name`](/workers/wrangler/configuration/#durable-objects).
 
-    For example, you might have the following binding in a file read by `getPlatformProxy`.
+    For example, you might have the following binding in a Wrangler configuration file read by `getPlatformProxy`.
 
     <WranglerConfig>