diff --git a/docs/modules/ROOT/pages/clc-demo.adoc b/docs/modules/ROOT/pages/clc-demo.adoc
index b4bc75b4..5e707b7d 100644
--- a/docs/modules/ROOT/pages/clc-demo.adoc
+++ b/docs/modules/ROOT/pages/clc-demo.adoc
@@ -88,13 +88,13 @@ Parameters:
 |`default`
 
 |`--size`
-|Required
+|Optional
 |Maybe an integer which is number of bytes, or one of the following:
 
 - Xkb: kilobytes
 
 - Xmb: megabytes
-|
+|`1`
 
 |===