diff --git a/readme.adoc b/readme.adoc
index 93a366d9a67..e8975b4fd46 100644
--- a/readme.adoc
+++ b/readme.adoc
@@ -226,7 +226,7 @@ In case of troubles with caching and/or incremental compilation, you can always
 
 [source,bash]
 ----
-os.remove.all -rf out/
+rm -rf out/
 ----
 
 == Project Layout