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-rw-r--r--bin/README4
1 files changed, 2 insertions, 2 deletions
diff --git a/bin/README b/bin/README
index c1b454a6..53c170c5 100644
--- a/bin/README
+++ b/bin/README
@@ -41,8 +41,8 @@ PNG glitcher based on pngo.
     -a LIST    apply pattern of comma-separated filters
 	-i         invert after filtering
     -m         mirror scanlines after filtering
-	-y         swap first and last scanline after filtering
-	-x         swap first and last pixels of scanlines after filtering
+	-x         zero first pixels after filtering
+	-y         zero first scanline after filtering
 
                                   hnel