diff --git a/cmake/extension.cmake b/cmake/extension.cmake
index aa2243304..ffb02ee41 100644
--- a/cmake/extension.cmake
+++ b/cmake/extension.cmake
@@ -32,7 +32,7 @@ macro(mlx_build_metallib)
   # Collect compile options 
   set(MTLLIB_COMPILE_OPTIONS -Wall -Wextra -fno-fast-math)
 
-  # Prepare metllib build command
+  # Prepare metallib build command
   add_custom_command(
     OUTPUT ${MTLLIB_BUILD_TARGET}
     COMMAND xcrun -sdk macosx metal