1 files changed, 3 insertions, 1 deletions

diff --git a/README.md b/README.md
index 620699a..f959d7c 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,6 @@ Right now mgl only supports x11.
 ## Build
 `xlib`
 ## Runtime
-`libglvnd (libGL.so)`
\ No newline at end of file
+`libglvnd (libGL.so)`
+# Notes
+Every window _get_ function is cached from the last event poll, no calls to x11 is made.