diff --git a/build/page.py b/build/page.py
index d233994..608a647 100644
--- a/build/page.py
+++ b/build/page.py
@@ -17,7 +17,7 @@ import re
 #   ... 
 
 def print_usage():
-    print("\nusage: python mkblog.py SRC DEST\n")
+    print(f"\nusage: python {sys.argv[0]} SRC DEST\n")
     print("\n")
     print("\t\tSRC\tinput markdown file")
     print("\t\tDEST\tdestination html file")