diff --git a/graphics/optipng/slack-desc b/graphics/optipng/slack-desc
index a7c32e2ff7..78a466b663 100644
--- a/graphics/optipng/slack-desc
+++ b/graphics/optipng/slack-desc
@@ -6,7 +6,7 @@
 # customary to leave one space after the ':' except on otherwise blank lines.
 
        |-----handy-ruler------------------------------------------------------|
-optipng: OptiPNG (Advanced PNG Optimizer)
+optipng: optipng (Advanced PNG Optimizer)
 optipng:
 optipng: OptiPNG is a PNG optimizer that recompresses image files to a
 optipng: smaller size, without losing any information. This program also