diff --git a/README.md b/README.md
index 695ff1f..0ee8498 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ All inputs are optional.
   _Build_ step.
 
 - `stack-build-arguments-test`: additional arguments for `stack build` in the
-  _Test step.
+  \_Test step.
 
 - `stack-setup-arguments`: additional arguments for `stack setup`