help message fixed

src/python/dm/ds_web_service/cli/getExperimentCli.py

@@ -22,7 +22,7 @@ class GetExperimentCli(DsWebServiceSessionCli):
 
     def runCommand(self):
         self.parseArgs(usage="""
-    dm-get-user --id=ID|--name=NAME
+    dm-get-experiment --id=ID|--name=NAME
 
 Description:
     Retrieves experiment information.