diff --git a/doc/replayer/replayer-conf.md b/doc/replayer/replayer-conf.md
index 8d2707f..a963a92 100644
--- a/doc/replayer/replayer-conf.md
+++ b/doc/replayer/replayer-conf.md
@@ -21,8 +21,8 @@ Replayer-Agent的配置文件都在 **[./replayer-agent/conf](../../replayer-age
 * addr = ":8998"           # Replayer-Agent Web Server默认监听端口，可以修改
 * handlerTimeout = 60000   # Handler timeout(ms), default 60000
 * readHeaderTimeout = 2000 # Request header timeout(ms), default 2000
-* readTimeout = 5000       # Recieve http request timeout(ms), including the body, default 5000
-* writeTimeout = 21000     # Recieve http body and response timeout(ms), default 21000
+* readTimeout = 5000       # Receive http request timeout(ms), including the body, default 5000
+* writeTimeout = 21000     # Receive http body and response timeout(ms), default 21000
 * idleTimeout = 60000      # Keep-alive timeout(ms), default 60000
 
 <br>
diff --git a/recorder-agent/conf/app.toml b/recorder-agent/conf/app.toml
index 81b9e78..03783d6 100644
--- a/recorder-agent/conf/app.toml
+++ b/recorder-agent/conf/app.toml
@@ -2,8 +2,8 @@
 [http]
 http_addr = ":9003"      # Listen ip:port, http server地址
 handlerTimeout = 1000    # Handler timeout(ms), default 5000
-readTimeout = 1000       # Recieve http request timeout(ms), including the body
-writeTimeout = 1000      # Recieve http body and response timeout(ms)
+readTimeout = 1000       # Receive http request timeout(ms), including the body
+writeTimeout = 1000      # Receive http body and response timeout(ms)
 idleTimeout = 5000       # Keep-alive timeout(ms)
 
 [log]
diff --git a/recorder/koala_grpc/recording/id.go b/recorder/koala_grpc/recording/id.go
index 38c05e9..25aee75 100644
--- a/recorder/koala_grpc/recording/id.go
+++ b/recorder/koala_grpc/recording/id.go
@@ -32,7 +32,7 @@ package recording
 //   - Non configured, you don't need set a unique machine and/or data center id
 //   - K-ordered
 //   - Embedded time with 1 second precision
-//   - Unicity guaranted for 16,777,216 (24 bits) unique ids per second and per host/process
+//   - Unicity guaranteed for 16,777,216 (24 bits) unique ids per second and per host/process
 //
 // Best used with xlog's RequestIDHandler (https://godoc.org/github.com/rs/xlog#RequestIDHandler).
 //
@@ -123,7 +123,7 @@ func randInt() uint32 {
 	return uint32(b[0])<<16 | uint32(b[1])<<8 | uint32(b[2])
 }
 
-// New generates a globaly unique ID
+// New generates a globally unique ID
 func newID() ID {
 	var id ID
 	// Timestamp, 4 bytes, big endian
diff --git a/replayer-agent/conf/app.toml b/replayer-agent/conf/app.toml
index 5db36ad..575128e 100644
--- a/replayer-agent/conf/app.toml
+++ b/replayer-agent/conf/app.toml
@@ -5,8 +5,8 @@ version = "1.0.2"
 addr = ":8998"           # 默认agent启动端口，可以修改
 handlerTimeout = 60000   # Handler timeout(ms), default 5000
 readHeaderTimeout = 2000 # Request header timeout(ms), default 2000
-readTimeout = 5000       # Recieve http request timeout(ms), including the body, default 5000
-writeTimeout = 21000     # Recieve http body and response timeout(ms), default 10000
+readTimeout = 5000       # Receive http request timeout(ms), including the body, default 5000
+writeTimeout = 21000     # Receive http body and response timeout(ms), default 10000
 idleTimeout = 60000      # Keep-alive timeout(ms), default 60000
 
 [log]
diff --git a/replayer-agent/control.sh b/replayer-agent/control.sh
index 0bbf742..9f190df 100755
--- a/replayer-agent/control.sh
+++ b/replayer-agent/control.sh
@@ -127,7 +127,7 @@ function build() {
     printf "${info_msg}go mod download, please wait~ \n"
     go mod download
     if [ $? -ne 0 ]; then
-        printf "${error_msg}build failed at executing go mod download, please check \$GOPROXY or try agian!!!\n"
+        printf "${error_msg}build failed at executing go mod download, please check \$GOPROXY or try again!!!\n"
         exit 1
     fi