diff --git a/udmfvis.c b/udmfvis.c
index 0193c60..6537036 100644
--- a/udmfvis.c
+++ b/udmfvis.c
@@ -11,7 +11,7 @@
 #include <errno.h>
 
 /*
-   At the moment output is broken on most image editors, but it can be fixed by
+   At the moment output is broken on most image viewers, but it can be fixed by
    running it through gifsicle.
 
    Things left to do: