diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index e542b129f87..c4aeec11e47 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -1124,6 +1124,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-10703. HttpServer2 creates multiple authentication filters.
     (Benoy Antony via wheat9)
 
+    HADOOP-11729. Fix link to cgroups doc in site.xml. (Masatake Iwasaki via
+    ozawa)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-project/src/site/site.xml b/hadoop-project/src/site/site.xml
index 1deba81fc90..a90c41d0e92 100644
--- a/hadoop-project/src/site/site.xml
+++ b/hadoop-project/src/site/site.xml
@@ -124,7 +124,7 @@
       <item name="YARN Commands" href="hadoop-yarn/hadoop-yarn-site/YarnCommands.html"/>
       <item name="NodeManager Restart" href="hadoop-yarn/hadoop-yarn-site/NodeManagerRestart.html"/>
       <item name="DockerContainerExecutor" href="hadoop-yarn/hadoop-yarn-site/DockerContainerExecutor.html"/>
-      <item name="Using CGroups" href="hadoop-yarn/hadoop-yarn-site/NodeManagerCGroups.html"/>
+      <item name="Using CGroups" href="hadoop-yarn/hadoop-yarn-site/NodeManagerCgroups.html"/>
       <item name="Secure Containers" href="hadoop-yarn/hadoop-yarn-site/SecureContainer.html"/>
       <item name="Registry" href="hadoop-yarn/hadoop-yarn-site/registry/index.html"/>
     </menu>