diff --git a/ipcalc.py b/iptrans.py
similarity index 94%
rename from ipcalc.py
rename to iptrans.py
index 3bfb190..d5651bc 100755
--- a/ipcalc.py
+++ b/iptrans.py
@@ -6,7 +6,7 @@ from re import search
 try:
     ip = argv[1]
 except Exception as e:
-    print("Usage: ipcalc.py <IP ADDRESS>")
+    print("Usage: ipctrans.py <IP ADDRESS>")
     exit(0)
 if not search("^(\d{1,3}\.){3}\d{1,3}$", ip):
     print(f"Invalid address {ip}")