diff --git a/armi/plugins.py b/armi/plugins.py
index ecb81adac..5ba26687a 100644
--- a/armi/plugins.py
+++ b/armi/plugins.py
@@ -256,9 +256,9 @@ def defineFlags() -> Dict[str, Union[int, flags.auto]]:
         of flags (see :py:mod:`armi.reactor.flags`), new flags should probably refer to
         novel design elements, rather than novel behaviors.
 
-        .. test:: Plugins can define new, unique flags to the system.
+        .. impl:: Plugins can define new, unique flags to the system.
             :id: I_ARMI_FLAG_EXTEND1
-            :tests: R_ARMI_FLAG_EXTEND
+            :implements: R_ARMI_FLAG_EXTEND
 
         See Also
         --------