diff --git a/src/cmake/Macros.cmake b/src/cmake/Macros.cmake
index 2eb0524e..cc3b4c2a 100644
--- a/src/cmake/Macros.cmake
+++ b/src/cmake/Macros.cmake
@@ -120,7 +120,7 @@ macro( whole_program_optimization )
 endmacro()
 
 # -----------------------------------------------------------------------------
-# Toggles wether or not to treat warnings as errors
+# Toggles whether or not to treat warnings as errors
 # -----------------------------------------------------------------------------
 macro( warnings_as_errors TARGET FLAG )
     if( ${FLAG} )