Merge branch 'stable-2.9'

* stable-2.9:
  Fix typo in 'clone with commit-msg hook' command
  Add documentation of the index.threads setting
  Reformat index documentation

Change-Id: Ic8ac6bfce05424287f49f1bde1bca92c7111fd01

Documentation/config-gerrit.txt

@@ -1878,6 +1878,13 @@ bundled with the .war will be used instead.
 
 The index section configures the secondary index.
 
+Note that after enabling the secondary index, the index must be built
+using the link:pgm-reindex.html[reindex program] before restarting the
+Gerrit server.
+
+Open and closed changes are indexed in separate indexes named
+'changes_open' and 'changes_closed' respectively.
+
 [[index.type]]index.type::
 +
 Type of secondary indexing employed by Gerrit.  The supported
@@ -1894,13 +1901,12 @@ SolrCloud] index is used.
 
 +
 By default, `LUCENE`.
-+
-After changing the secondary index type, the index must be rebuilt
-using the link:pgm-reindex.html[reindex program] before restarting the
-Gerrit server.
 
-Open and closed changes are indexed in separate indexes named
-'changes_open' and 'changes_closed' respectively.
+[[index.threads]]index.threads::
++
+Determines the number of threads to use for indexing.
++
+Defaults to 1 if not set, or set to a negative value.
 
 [[index.url]]index.url::
 +

gerrit-gwtui/src/main/java/com/google/gerrit/client/download/DownloadCommandLink.java

@@ -121,7 +121,7 @@ public abstract class DownloadCommandLink extends Anchor implements ClickHandler
       private final Project.NameKey project;
 
       public CloneWithCommitMsgHookCommandLink(Project.NameKey project) {
-        super(DownloadCommand.CHECKOUT, "clone with commmit-msg hook");
+        super(DownloadCommand.CHECKOUT, "clone with commit-msg hook");
         this.project = project;
       }