diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
index 7d9ffc69bc..ab7cadd7d8 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
@@ -26,9 +26,9 @@ MYNAME="${BASH_SOURCE-$0}"
 function hadoop_usage
 {
   hadoop_add_option "buildpaths" "attempt to add class files from build tree"
-  hadoop_add_option "hostnames list[,of,host,names]" "hosts to use in slave mode"
+  hadoop_add_option "hostnames list[,of,host,names]" "hosts to use in worker mode"
   hadoop_add_option "loglevel level" "set the log4j level for this command"
-  hadoop_add_option "hosts filename" "list of hosts to use in slave mode"
+  hadoop_add_option "hosts filename" "list of hosts to use in worker mode"
   hadoop_add_option "workers" "turn on worker mode"
 
   hadoop_add_subcommand "checknative" client "check native Hadoop and compression libraries availability"
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-daemons.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-daemons.sh
index 55304916ad..1d8096b4ba 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-daemons.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-daemons.sh
@@ -16,7 +16,7 @@
 # limitations under the License.
 
 
-# Run a Hadoop command on all slave hosts.
+# Run a Hadoop command on all worker hosts.
 
 function hadoop_usage
 {