diff --git a/data/core/macros/unit-utils.cfg b/data/core/macros/unit-utils.cfg
index e8fee2fa5a15..0f7151bd0268 100644
--- a/data/core/macros/unit-utils.cfg
+++ b/data/core/macros/unit-utils.cfg
@@ -202,6 +202,7 @@
     # Example where this is used to flip all orcs to whatever side James is on:
     #! {STORE_UNIT_VAR (id=James) side side_of_James}
     #! {MODIFY_UNIT (race=orc) side $side_of_James}
+    #! {CLEAR_VARIABLE side_of_James}
     [store_unit]
         [filter]
             {FILTER}