diff --git a/README.md b/README.md
index 953974d2..29c4b05a 100644
--- a/README.md
+++ b/README.md
@@ -178,7 +178,7 @@ Number of concurrent runs.
       parse: {...options},
       mangle: {
         ...options,
-        properties: {
+        props: {
           // mangle property options
         }
       },