diff --git a/lib/mathn.rb b/lib/mathn.rb
index fb9eab6..ac3e2b4 100644
--- a/lib/mathn.rb
+++ b/lib/mathn.rb
@@ -17,7 +17,7 @@
 #
 #   3 / 2 => 3/2 # Rational
 #
-# mathn features late rounding and lacks truncation of intermediate results:
+# mathn keeps value in exact terms.
 #
 # Without mathn:
 #