diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 8f2ed8263e9..da670c647c2 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -146,6 +146,9 @@ Release 2.2.1 - UNRELEASED
     HADOOP-10040. hadoop.cmd in UNIX format and would not run by default on
     Windows. (cnauroth)
 
+    HADOOP-10055. FileSystemShell.apt.vm doc has typo "numRepicas".
+    (Akira Ajisaka via cnauroth)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-common-project/hadoop-common/src/site/apt/FileSystemShell.apt.vm b/hadoop-common-project/hadoop-common/src/site/apt/FileSystemShell.apt.vm
index 78cd880a67a..3e6fd21070a 100644
--- a/hadoop-common-project/hadoop-common/src/site/apt/FileSystemShell.apt.vm
+++ b/hadoop-common-project/hadoop-common/src/site/apt/FileSystemShell.apt.vm
@@ -381,7 +381,7 @@ rmr
 
 setrep
 
-   Usage: <<<hdfs dfs -setrep [-R] [-w] <numRepicas> <path> >>>
+   Usage: <<<hdfs dfs -setrep [-R] [-w] <numReplicas> <path> >>>
 
    Changes the replication factor of a file. If <path> is a directory then
    the command recursively changes the replication factor of all files under