diff --git a/Readme.md b/Readme.md
index 40db244..bcd0204 100644
--- a/Readme.md
+++ b/Readme.md
@@ -596,5 +596,5 @@ handleUncaughtException([](Promise &d) {
 This library is thread safe by default. However, it is strongly recommented to use this library on single thread,
 especially when you don't clearly know about which thread will runs the chain tasks.
 
-For better performance, we can aslo disable multithread by adding macro PROMISE_MULTITHREAD=0
+For better performance, we can also disable multithread by adding macro PROMISE_MULTITHREAD=0