1 files changed, 4 insertions, 1 deletions
diff --git a/git-dch b/git-dch
index b07d689e..d9458d22 100755
--- a/git-dch
+++ b/git-dch
@@ -251,7 +251,10 @@ def main(argv):
     (options, args) = parser.parse_args(argv[1:])
 
     if options.snapshot and options.release:
-        parser.error("--snapshot and --release are incompatible options")
+        parser.error("'--snapshot' and '--release' are incompatible options")
+
+    if options.since and options.auto:
+        parser.error("'--since' and '--auto' are incompatible options")
 
     try:
         if options.verbose: