diff --git a/swift/internal/actions.bzl b/swift/internal/actions.bzl
index 40031a420..3ea83329c 100644
--- a/swift/internal/actions.bzl
+++ b/swift/internal/actions.bzl
@@ -221,7 +221,7 @@ def run_toolchain_action(
 
         # For index_while_building_v2 we import a subset of the indexed outputs
         # from the global index store cache into bazel-out. The program that
-        # to handle this is an external program
+        # handles this is an external program
         if is_feature_enabled(
             feature_configuration = feature_configuration,
             feature_name = SWIFT_FEATURE_INDEX_WHILE_BUILDING_V2,