diff --git a/README.md b/README.md
index 336bc97..c842527 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Embed Screenshot to Unity Profiler protocol.
## requirement
- 2019.4 or newer.
-## reccomend
+## recommend
- the platforms that supports System.supportsAsyncGPUReadback (Mobile vulkan or metal....)
Support sync readback from 1.1.0 , however it's very slow....