diff --git a/healthcareio/healthcare-io.py b/healthcareio/healthcare-io.py
index 36bc6c6..07279da 100644
--- a/healthcareio/healthcare-io.py
+++ b/healthcareio/healthcare-io.py
@@ -68,7 +68,7 @@ HELP_MESSAGE = """
         action :
             --signup|init   signup user and get configuration file
             --parse         starts parsing
-            --check         checks for updates
+            --check-update  checks for updates
             --export        export data of a 835 or 837 into another database
         parameters :
             --<[signup|init]>   signup or get a configuration file from a parsing server