diff --git a/README.md b/README.md
index 17042a8..ca67f6a 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,11 @@ Additionally, if you merely desire to know the `UIEdgeInsets` of the transparenc
 
 `[yourImage transparencyInsetsRequiringFullOpacity:YES];`
 
-This call works based on the same principles as the "advanced" trim method, with the boolean dictating whether non-opaque pixels should be considered transparent.
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+This call works based on the same principles as the "advanced" trim method, with the boolean dictating whether non-opaque pixels should be considered transparent.
+
+
+This fork adds support for trimming white area around image with given tolerance
+
+`[yourImage imageByTrimmingWhitePixelsWithOpacity:VALUE];`
+
+where 0 - cut only white, 255 - remove everything
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