diff --git a/readme.md b/readme.md
index fd74218d2..a84c2da87 100644
--- a/readme.md
+++ b/readme.md
@@ -85,7 +85,7 @@ int main(int argc, char* argv[]) {
 }
 ```
 
-### A echo HTTP server
+### An echo HTTP server
 
 ```cpp
 #include <evpp/exp.h>
@@ -113,7 +113,7 @@ int main(int argc, char* argv[]) {
 ```
 
 
-### A echo UDP server
+### An echo UDP server
 
 ```cpp
 #include <evpp/exp.h>
@@ -156,4 +156,4 @@ Thanks for [libevent], [glog](https://github.com/google/glog), [gtest](https://g
 [evpp]:https://github.com/Qihoo360/evpp
 [Golang]:https://golang.org
 [muduo]:https://github.com/chenshuo/muduo
-[libevent]:https://github.com/libevent/libevent
\ No newline at end of file
+[libevent]:https://github.com/libevent/libevent