diff --git a/py-scripts/lf_snp_test.py b/py-scripts/lf_snp_test.py
index 6c3137bf..01f08c10 100755
--- a/py-scripts/lf_snp_test.py
+++ b/py-scripts/lf_snp_test.py
@@ -1503,7 +1503,7 @@ LANforge GUI what is displayed in the Column and how to access the value with cl
         choices=["88","512","1370","1518"] )
     parser.add_argument('-ccd','--controller_client_densities', help='--controller_client_densities List of client densities defaults 1', default="1" ) 
 
-    parser.add_argument('-cde','--controller_data_encryption', help='--controller_data_encryption \"enable disable\"',default="disable" )
+    parser.add_argument('-cde','--controller_data_encryptions', help='--controller_data_encryptions \"enable disable\"',default="disable" )
     parser.add_argument('-cs' ,'--controller_series', help='--controller_series <9800 | 3504>',default="3504",choices=["9800","3504"])
     parser.add_argument('-ccp','--controller_prompt',    type=str,help="controller prompt default WLC",default="WLC")
     parser.add_argument('-cas','--controller_ap_slot',    type=str,help="AP slot, default 1",default="1")