diff --git a/README.md b/README.md
index a0af2d9..b7aebe9 100644
--- a/README.md
+++ b/README.md
@@ -208,7 +208,7 @@ The only one difference from Artistic QR-Code mentioned above is that you should
 
 You can use command `pip install -r requirements.txt` for all dependences.
 
-可以使用命令`pip install -r requirements.txt` 来安装所以依赖的库。
+可以使用命令`pip install -r requirements.txt` 来安装所有依赖的库。
 
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