diff --git a/tools/btools.py b/tools/btools.py
index 93a98b94c08..d42e4994fb5 100755
--- a/tools/btools.py
+++ b/tools/btools.py
@@ -273,7 +273,7 @@ def read_opts(cfg, args):
         ('BF_FTGL_INC', 'FTGL include path', ''),
         ('BF_FTGL_LIB', 'FTGL libraries', ''),
 
-        (BoolOption('WITH_BF_GLEXT', 'Enable GL Extenstions', 'true')),
+        (BoolOption('WITH_BF_GLEXT', 'Enable GL Extensions', 'true')),
         (BoolOption('WITH_BF_PLAYER', 'Build blenderplayer if true', 'false')),
 
         ('CFLAGS', 'C-compiler flags', ''),