diff --git a/lldb/source/Commands/Options.td b/lldb/source/Commands/Options.td
index 04830b8b990ef..cfdeaabfa0077 100644
--- a/lldb/source/Commands/Options.td
+++ b/lldb/source/Commands/Options.td
@@ -390,7 +390,7 @@ let Command = "expression" in {
     Arg<"Boolean">,
     Desc<"Persist expression result in a variable for subsequent use. "
     "Expression results will be labeled with $-prefixed variables, e.g. $0, "
-    "$1, etc. Defaults to true.">;
+    "$1, etc.">;
 }
 
 let Command = "frame diag" in {