Fix typo in readme
RELNOTES: None.

PiperOrigin-RevId: 229193101
diff --git a/README.md b/README.md
index 126985c..f24ab14 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@
 
 Script that migrates legacy crosstool fields into features
 ([incompatible flag](https://github.com/bazelbuild/bazel/issues/6861), 
-[tracking issue](https://github.com/bazelbuild/bazel/issues/5883).
+[tracking issue](https://github.com/bazelbuild/bazel/issues/5883)).
 
 TLDR: