Fix wrong script name in usage help

diff --git a/file_crypt.py b/file_crypt.py
index a5276b6..68639b0 100755 (executable)
--- a/file_crypt.py
+++ b/file_crypt.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-""" Encrypt a single file
+""" Encrypt/decrypt a single file
 
 low-cost quick-devel badly-documented
 
@@ -113,7 +113,7 @@ if __name__ == '__main__':
         print('file_crypt.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
         sys.exit(2)
     elif sys.argv[1] == '-h':
-        print('encrypt_file.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
+        print('file_crypt.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
         sys.exit(0)
 
     comptype = 'tar'  # auto-detect, not sure whether this would work
@@ -129,11 +129,11 @@ if __name__ == '__main__':
     elif sys.argv[idx] == 'dec':
         do_encrypt = False
     else:
-        print('encrypt_file.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
+        print('file_crypt.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
         sys.exit(2)
 
     if len(sys.argv) != idx+4:
-        print('encrypt_file.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
+        print('file_crypt.py {enc|dec} [-c] INFILE OUTFILE PASSWORD')
         sys.exit(2)
 
     sys.exit(main(do_encrypt, sys.argv[idx+1], sys.argv[idx+2],