Merge pull request #27891 from weixsun

* pr/27891:
  Polish "Clarify pooling is implicitly enabled in Sentinel mode"
  Clarify pooling is implicitly enabled in Sentinel mode

Closes gh-27891

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/redis/RedisProperties.java

@@ -235,7 +235,8 @@ public static class Pool {
 
 		/**
 		 * Whether to enable the pool. Enabled automatically if "commons-pool2" is
-		 * available.
+		 * available. With Jedis, pooling is implicitly enabled in sentinel mode and this
+		 * setting only applies to single node setup.
 		 */
 		private Boolean enabled;