diff --git a/pd-configuration-file.md b/pd-configuration-file.md
index 39d08d40f68f6..c34587681a0fc 100644
--- a/pd-configuration-file.md
+++ b/pd-configuration-file.md
@@ -286,7 +286,7 @@ Configuration items related to scheduling
 ### `hot-regions-write-interval`
 
 * Set the time interval for PD to store Hot Region information.
-* Default value:`10m`
+* Default value: `10m`
 > **Note:**
 > 
 >Information about the Hot Region is updated every three minutes. If the interval is set to less than three minutes, updates in the middle part may be meaningless
@@ -294,7 +294,7 @@ Configuration items related to scheduling
 ### `hot-regions-reserved-days`
 
 * Set PD how many days hot region information is kept
-* Default value:`7`
+* Default value: `7`
 
 ## `replication`
 
@@ -385,4 +385,4 @@ Configuration items related to the [TiDB Dashboard](/dashboard/dashboard-intro.m
 
 ## `replication-mode`
 
-Configuration items related to the replication mode of all Regions. See [Enable the DR Auto-Sync mode](/two-data-centers-in-one-city-deployment.md#enable-the-dr-auto-sync-mode) for details.
\ No newline at end of file
+Configuration items related to the replication mode of all Regions. See [Enable the DR Auto-Sync mode](/two-data-centers-in-one-city-deployment.md#enable-the-dr-auto-sync-mode) for details.