diff --git a/README.md b/README.md
index cce46ee..abb10a5 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,18 @@ make
 For other platforms modify flags in the Makefile.
 
 # FPS
+Cap FPS:
+
 ```
 make DFLAGS="-D FPS=30"
 ```
 
+Display FPS:
+
+```
+make DFLAGS="-D ENABLE_FPS=1"
+```
+
 # Run
 ```
 ./pingpong