diff --git a/src/workflow/ArcanistHelpWorkflow.php b/src/workflow/ArcanistHelpWorkflow.php
index 5884fc4f..f78e0fe6 100644
--- a/src/workflow/ArcanistHelpWorkflow.php
+++ b/src/workflow/ArcanistHelpWorkflow.php
@@ -191,6 +191,9 @@ EOTEXT
       __--no-ansi__
           Output in plain ASCII text only, without color or style.
 
+      __--ansi__
+          Use formatting even in environments which probably don't support it.
+
       __--load-phutil-library=/path/to/library__
           Ignore libraries listed in .arcconfig and explicitly load specified
           libraries instead. Mostly useful for Arcanist development.