Fix typo in event documentation section

Change-Id: Ibdda2af86b81718b52c324d270cc458edae4c245
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 0f4e319..c362710 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -3358,7 +3358,7 @@
 config is backwards compatible with what the default was before the config
 was added.
 
-[[event.comment-added.publishPatchSetLevelComment]][event.comment-added.publishPatchSetLevelComment::
+[[event.comment-added.publishPatchSetLevelComment]]event.comment-added.publishPatchSetLevelComment::
 +
 Add patch set level comment as event comment. Without this option, patch set
 level comment will not be included in the event comment attribute. Given that