diff --git a/README.rst b/README.rst
index afe551032..93e872ece 100644
--- a/README.rst
+++ b/README.rst
@@ -26,7 +26,7 @@ Pillow is the friendly PIL fork by `Alex Clark and Contributors <https://github.
    :target: https://travis-ci.org/python-pillow/Pillow
    :alt: Travis CI build status (Linux)
 
-.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/latest.svg?label=OS%20X%20build
+.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/latest.svg?label=macOS%20build
    :target: https://travis-ci.org/python-pillow/pillow-wheels
    :alt: Travis CI build status (macOS)