docs(README): mangle.props instead of mangle.properties (#207)

davilima6 · michael-ciniawsky · commit f66f6f0d0fe1 · 2018-01-09T16:06:48.000+01:00
diff --git a/README.md b/README.md
@@ -178,7 +178,7 @@ Number of concurrent runs.
       parse: {...options},
       mangle: {
         ...options,
-        properties: {
+        props: {
           // mangle property options
         }
       },
