diff --git a/build/cmake/DefineCMakeDefaults.cmake b/build/cmake/DefineCMakeDefaults.cmake
index f41673e..7073e8e 100644
--- a/build/cmake/DefineCMakeDefaults.cmake
+++ b/build/cmake/DefineCMakeDefaults.cmake
@@ -26,7 +26,7 @@
 
 # Put the include dirs which are in the source or build tree
 # before all other include dirs, so the headers in the sources
-# are prefered over the already installed ones
+# are preferred over the already installed ones
 # since cmake 2.4.1
 set(CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON)