1 files changed, 2 insertions, 1 deletions
diff --git a/README.md b/README.md
index 601c0f5..97e4714 100644
--- a/README.md
+++ b/README.md
@@ -7,4 +7,5 @@ Right now mgl only supports x11.
 ## Runtime
 `libglvnd (libGL.so)`
 # Notes
-Every window _get_ function is cached from the last event poll, no calls to x11 is made.
+Every window _get_ function is cached from the last event poll, no calls to x11 is made.\
+Only one window can be created and used at once.