diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 60d0a2385..414864062 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -58,7 +58,7 @@ Coding Guidelines
 
 - Comments and names of variables/functions/etc. must be in English
 
-- Formatting scripts (mac0S/Linux only) are available `here <./build-aux>`__
+- Formatting scripts (macOS/Linux only) are available `here <./build-aux>`__
 
 Commit Guidelines
 -----------------