diff --git a/en/gnsslib/gnss.md b/en/gnsslib/gnss.md
index 9ea7f6dac2303be174f1bc52486d2198df993522..5737b0340542851471747fd93675031119775b24 100644
--- a/en/gnsslib/gnss.md
+++ b/en/gnsslib/gnss.md
@@ -153,7 +153,7 @@ This interface checks the validity of GNGGA, GNRMC and GPGSV sentences in the GN
 
 **Return Value**
 
-A list ` (gga_valid, rmc_valid, gsv_valid)`.
+A tuple ` (gga_valid, rmc_valid, gsv_valid)`.
 
 `gga_valid` - Whether the GNGGA sentence is read and has been analyzed successfully. 0 – The GNGGA sentence is not read or the data is invalid. 1 – The GNGGA sentence is valid. 
 
diff --git a/zh/gnsslib/gnss.md b/zh/gnsslib/gnss.md
index 55e8cdf47cc9594ec7c84f461303bf858f9de4a2..f108e3432cf30596d6236051ce5f326fd33f0c4f 100644
--- a/zh/gnsslib/gnss.md
+++ b/zh/gnsslib/gnss.md
@@ -139,7 +139,7 @@ GNSS模块提供的功能接口，所获取的数据都来源于从串口读出
 
 **返回值描述**
 
-返回一个列表，形式为 ` (gga_valid, rmc_valid, gsv_valid)`
+返回一个元组，形式为 ` (gga_valid, rmc_valid, gsv_valid)`
 
 `gga_valid` - 表示本次读取解析，是否匹配到GNGGA数据并解析成功，0表示没有匹配到GNGGA数据或数据无效，1表示有效；