diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02d468a..da0b61e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,6 @@
 
 * tweaks to margins, fonts and header
 * mobile ui improvements
-* support user defined library mapping, the --url-mapping option
+* support user defined library mapping using --url-mapping option
 * warning if library is undocumented
 * fixed linking for parameters