diff --git a/README.rst b/README.rst
index d6f90ef78..aff1054e6 100644
--- a/README.rst
+++ b/README.rst
@@ -34,7 +34,7 @@ We currently build for the following operating systems on x86-64 architectures:
 Older systems that have been supported by NCPA in the past:
 
 - Mac OS X 10.7-10.10           - v2.4.0
-- Mac OS X 10-11                - v2.4.1
+- Mac OS X 10.11-11             - v2.4.1
 - Raspbian 10 - Buster          - v2.2.2
 - Ubuntu 12.04                  - v2.1.4
 - Ubuntu 14.04                  - v2.2.2