diff --git a/docs/en/administrator-guide/config/be_config.md b/docs/en/administrator-guide/config/be_config.md
index 6b18e42915..6604041ab5 100644
--- a/docs/en/administrator-guide/config/be_config.md
+++ b/docs/en/administrator-guide/config/be_config.md
@@ -1155,9 +1155,9 @@ Cache for storage page size
 
     eg.1: `storage_root_path=/home/disk1/doris.HDD,50;/home/disk2/doris.SSD,1;/home/disk2/doris`
 
-    * 1./home/disk1/doris.HDD, capacity limit is 50GB, HDD;
-    * 2./home/disk2/doris.SSD, capacity limit is 1GB, SSD;
-    * 3./home/disk2/doris, capacity limit is disk capacity, HDD(default)
+    * 1./home/disk1/doris.HDD,50, indicates capacity limit is 50GB, HDD;
+    * 2./home/disk2/doris.SSD,1, indicates capacity limit is 1GB, SSD;
+    * 3./home/disk2/doris, indicates capacity limit is disk capacity, HDD(default)
     
     eg.2: `storage_root_path=/home/disk1/doris,medium:hdd,capacity:50;/home/disk2/doris,medium:ssd,capacity:50`
       
diff --git a/docs/en/installing/install-deploy.md b/docs/en/installing/install-deploy.md
index 867d79ec67..4e288fb097 100644
--- a/docs/en/installing/install-deploy.md
+++ b/docs/en/installing/install-deploy.md
@@ -179,9 +179,9 @@ See the section on `lower_case_table_names` variables in [Variables](../administ
 
     **instructions**
     
-    * 1./home/disk1/doris.HDD, capacity limit is 50GB, HDD;
-    * 2./home/disk2/doris.SSD, capacity limit is 1GB, SSD;
-    * 3./home/disk2/doris, capacity limit is disk capacity, HDD(default)
+    * 1./home/disk1/doris.HDD,50, indicates capacity limit is 50GB, HDD;
+    * 2./home/disk2/doris.SSD,1, indicates  capacity limit is 1GB, SSD;
+    * 3./home/disk2/doris, indicates capacity limit is disk capacity, HDD(default)
     
     eg.2: 
     
diff --git a/docs/zh-CN/administrator-guide/config/be_config.md b/docs/zh-CN/administrator-guide/config/be_config.md
index a041ecd84b..ccd27c76c8 100644
--- a/docs/zh-CN/administrator-guide/config/be_config.md
+++ b/docs/zh-CN/administrator-guide/config/be_config.md
@@ -1166,8 +1166,8 @@ storage_flood_stage_usage_percent和storage_flood_stage_left_capacity_bytes两
 
   `storage_root_path=/home/disk1/doris.HDD,50;/home/disk2/doris.SSD,10;/home/disk2/doris`
 
-  * /home/disk1/doris.HDD, 50，表示存储限制为50GB, HDD;
-  * /home/disk2/doris.SSD 10， 存储限制为10GB，SSD；
+  * /home/disk1/doris.HDD,50，表示存储限制为50GB，HDD;
+  * /home/disk2/doris.SSD,10，存储限制为10GB，SSD；
   * /home/disk2/doris，存储限制为磁盘最大容量，默认为HDD
   
   示例2如下：
diff --git a/docs/zh-CN/installing/install-deploy.md b/docs/zh-CN/installing/install-deploy.md
index 8b6145bb28..23a21695d6 100644
--- a/docs/zh-CN/installing/install-deploy.md
+++ b/docs/zh-CN/installing/install-deploy.md
@@ -178,8 +178,8 @@ doris默认为表名大小写敏感，如有表名大小写不敏感的需求需
 
     **说明**
 
-    - /home/disk1/doris.HDD, 50，表示存储限制为50GB, HDD;
-    - /home/disk2/doris.SSD 10， 存储限制为10GB，SSD；
+    - /home/disk1/doris.HDD,50，表示存储限制为50GB，HDD;
+    - /home/disk2/doris.SSD,10，存储限制为10GB，SSD；
     - /home/disk2/doris，存储限制为磁盘最大容量，默认为HDD
     
     示例2如下：