Update api.mdx

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

Author: emily-shen

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

@@ -418,7 +418,7 @@ The bindings supported by `getPlatformProxy` are:
         	},
         };
         ```
-        That Worker also needs a Wrangler config that looks like this:
+        That Worker also needs a Wrangler configuration file that looks like this:
 
         <WranglerConfig>
         ```json