dev-intellij.txt: Fix indentation level warning

Change Ifc083f8a0 introduced a warning in the documentation build:

  WARNING: dev-intellij.txt.html_htmlonly_expn: line 190:
  section title out of sequence:
  expected level 2, got level 3

Change-Id: Ib630c04af3f5e6d315d0c1fabc34f116be13c37b
diff --git a/Documentation/dev-intellij.txt b/Documentation/dev-intellij.txt
index c662e178..5077079 100644
--- a/Documentation/dev-intellij.txt
+++ b/Documentation/dev-intellij.txt
@@ -187,7 +187,8 @@
 or go to *Run -> Edit Configurations*.
 
 [[runconfigurations-daemon]]
-==== Gerrit Daemon
+=== Gerrit Daemon
+
 [WARNING]
 ====
 At the moment running this (local) configuration results in a