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-rw-r--r--bin/README1
1 files changed, 1 insertions, 0 deletions
diff --git a/bin/README b/bin/README
index 4e4a8d9d..66082e90 100644
--- a/bin/README
+++ b/bin/README
@@ -83,6 +83,7 @@ PNG optimizer. Does not support interlaced PNGs.
  - Discards unnecessary alpha channel
  - Converts unnecessary truecolor to grayscale
  - Indexes color if possible
+ - Reduces bit depth if possible
  - Applies a simple filter type heuristic
  - Applies zlib's best compression