diff --git a/README.md b/README.md
index 61924298f..354d90b36 100644
--- a/README.md
+++ b/README.md
@@ -270,7 +270,7 @@ In order to build llama.cpp you have **three different options**.
    CLBLAST support for use OpenCL GPU acceleration in FreeBSD. Please read
    the instructions for use and activate this options in this document below.
 
-### Metal Build *(for MacOs)*
+### Metal Build *(for MacOS)*
 
 On MacOS, Metal is enabled by default. Using Metal makes the computation run on the GPU.
 To disable the Metal build at compile time use the `LLAMA_NO_METAL=1` flag or the `LLAMA_METAL=OFF` cmake option.