1 files changed, 2 insertions, 0 deletions
diff --git a/README b/README
index 50b5f1c..75d5d38 100644
--- a/README
+++ b/README
@@ -30,6 +30,8 @@ OPTIONS
 	-e, --exec CMD
 		Command to run for each saved image.
 
+	Each option can only be used once.
+
 SPECIAL STRINGS
 	Both the --exec and FILENAME_PATTERN parameters can take format
 	specifiers that are expanded by scrotty when encountered. There