diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 46311653e07..d395b8a6225 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -1561,6 +1561,9 @@ Release 2.8.0 - UNRELEASED
     address case of potential data loss due to partial copy
     (Gaurav Kanade via cnauroth)
 
+    HADOOP-12675. Fix description about retention period in usage of expunge
+    command. (Masatake Iwasaki via stevel)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md b/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
index e0a6eb05e33..db8b785f855 100644
--- a/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
@@ -280,7 +280,7 @@ from trash directory, and create new checkpoint.
 
 When checkpoint is created,
 recently deleted files in trash are moved under the checkpoint.
-Files in checkpoints older than `fs.trash.checkpoint.interval`
+Files in checkpoints older than `fs.trash.interval`
 will be permanently deleted on the next invocation of `-expunge` command.
 
 If the file system supports the feature,