diff --git a/OS-X-Build.md b/OS-X-Build.md
index 2415170..f3fcae1 100644
--- a/OS-X-Build.md
+++ b/OS-X-Build.md
@@ -35,7 +35,7 @@ mkdir build
 cd build
 cmake .. -GXcode
 ```
-Optionally, you can use `cmake -i ..` to adjust various options (e.g. disable Qt GUI).
+Optionally, you can use `cmake -i .. -GXcode` or `ccmake .. -GXcode` to adjust various options (e.g. disable Qt GUI).
 
 #### Building with debug symbols: