Update src/fragments/lib/analytics/js/existing-resources.mdx

Co-authored-by: Jim Blanchard <[email protected]>

Author: renebrandel

src/fragments/lib/analytics/js/existing-resources.mdx

@@ -16,7 +16,7 @@ Amplify.configure({
       // REQUIRED -  Amazon service region
       region: 'us-east-1',
 
-      // OPTIONAL - The buffer size for events in number of items.
+      // OPTIONAL - How many events can be buffered at once.
       bufferSize: 1000,
 
       // OPTIONAL - The number of events to be deleted from the buffer when flushed.