diff --git a/docs-examples/go/connect/cgoexample/main.go b/docs-examples/go/connect/cgoexample/main.go
index 8b9aba4ce4217c00605bc8796c788f3dd52805e6..ba7ed0f728a1cd546dbc3199ce4c0dc854ebee91 100644
--- a/docs-examples/go/connect/cgoexample/main.go
+++ b/docs-examples/go/connect/cgoexample/main.go
@@ -20,4 +20,4 @@ func main() {
 
 // use
 // var taosDSN = "root:taosdata@tcp(localhost:6030)/dbName"
-// if you want to connect to a default database.
+// if you want to connect a specified database named "dbName".
diff --git a/docs-examples/go/connect/restexample/main.go b/docs-examples/go/connect/restexample/main.go
index 9c05e7eed80dee4ae7e6b20637d265f388d7438d..1efc98b988c183c4c680884057bf2a72a9dd19e9 100644
--- a/docs-examples/go/connect/restexample/main.go
+++ b/docs-examples/go/connect/restexample/main.go
@@ -18,6 +18,6 @@ func main() {
 	defer taos.Close()
 }
 
-// use 
+// use
 // var taosDSN = "root:taosdata@http(localhost:6041)/dbName"
-// if you want to connect to a default database.
+// if you want to connect a specified database named "dbName".
diff --git a/docs-examples/java/src/main/java/com/taos/example/JNIConnectExample.java b/docs-examples/java/src/main/java/com/taos/example/JNIConnectExample.java
index c6ce2ef9785a010daa55ad29415f81711760cd57..84292f7e8682dbb8171c807da74a603f4ae8256e 100644
--- a/docs-examples/java/src/main/java/com/taos/example/JNIConnectExample.java
+++ b/docs-examples/java/src/main/java/com/taos/example/JNIConnectExample.java
@@ -22,4 +22,4 @@ public class JNIConnectExample {
 
 // use
 // String jdbcUrl = "jdbc:TAOS://localhost:6030/dbName?user=root&password=taosdata";
-// if you want to connect to a default database.
\ No newline at end of file
+// if you want to connect a specified database named "dbName".
\ No newline at end of file