diff --git a/README.md b/README.md
index 734dfbb0d26..1947d76e535 100644
--- a/README.md
+++ b/README.md
@@ -304,7 +304,7 @@ spark.dynamicAllocation.shuffleTracking.enabled false
 
 # Support ShuffleManager when defined in user jars
 # Required Spark version < 4.0.0 or without SPARK-45762, highly recommended to false for ShuffleManager in user-defined jar specified by --jars or spark.jars
-spark.executor.userClassPathFirst=false
+spark.executor.userClassPathFirst false
 ```
 
 ### Deploy Flink client
diff --git a/docs/deploy.md b/docs/deploy.md
index 687bd18055d..a66bfc35862 100644
--- a/docs/deploy.md
+++ b/docs/deploy.md
@@ -201,7 +201,7 @@ spark.dynamicAllocation.shuffleTracking.enabled false
 
 # Support ShuffleManager when defined in user jars
 # Required Spark version < 4.0.0 or without SPARK-45762, highly recommended to false for ShuffleManager in user-defined jar specified by --jars or spark.jars
-spark.executor.userClassPathFirst=false
+spark.executor.userClassPathFirst false
 ```
 
 ## Deploy Flink client