Fix tiny errors in config-gerrit.html

Removing the '+' sign that's showing up in the documentation.

Release-Notes: skip
Change-Id: I9c5ab1476b4ffaffa446f16d971d8f30ee39817b
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index cea9400..7864858 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -886,6 +886,7 @@
 +
 If set to 0 the cache is disabled; entries are loaded but not stored
 in-memory.
+
 +
 **NOTE**: When the cache is disabled, there is no locking when accessing
 the same key/value, and therefore multiple threads may
@@ -2439,7 +2440,7 @@
 [gerrit]
   installIndexModule = com.google.gerrit.elasticsearch.ElasticIndexModule
 ----
-+
+
 [[gerrit.installModule]]gerrit.installModule::
 +
 Repeatable list of class name of additional Guice modules to load at