diff --git a/tools/README.txt b/tools/README.txt
index 6e6a5df24fd..dc43240216e 100644
--- a/tools/README.txt
+++ b/tools/README.txt
@@ -44,6 +44,8 @@ checkpatch.sh
   -f <file list>
   -  read standard input mainly used by git pre-commit hook as below:
      git diff --cached | ./tools/checkpatch.sh -
+  Where a <commit list> is any syntax supported by git for specifying git revision, see GITREVISIONS(7)
+  Where a <patch file names> is a space separated list of patch file names or wildcard. or *.patch
 
 configure.sh
 configure.bat
diff --git a/tools/checkpatch.sh b/tools/checkpatch.sh
index 48b9f29f94b..3fbc5598603 100755
--- a/tools/checkpatch.sh
+++ b/tools/checkpatch.sh
@@ -36,7 +36,6 @@ usage() {
   echo "   git diff --cached | ./tools/checkpatch.sh -"
   echo "Where a <commit list> is any syntax supported by git for specifying git revision, see GITREVISIONS(7)"
   echo "Where a <patch file names> is a space separated list of patch file names or wildcard. or *.patch"
- 
 }
 
 check_file() {