Fix internal link name

Related to #13815

docs/plugins/discovery-gce.asciidoc

@@ -168,7 +168,7 @@ scopes=compute-rw
 --------------------------------------------------
 
 Failing to set this will result in unauthorized messages when starting Elasticsearch.
-See <<cloud-gce-usage-discovery-tips-permissions>>.
+See <<discovery-gce-usage-tips-permissions>>.
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