Merge pull request #22941 from chenqimiao

* pr/22941:
  Fix typo in package-info.java

Author: snicoll

spring-messaging/src/main/java/org/springframework/messaging/simp/package-info.java

@@ -1,5 +1,5 @@
 /**
- * Generic support for SImple Messaging Protocols including protocols such as STOMP.
+ * Generic support for Simple Messaging Protocols including protocols such as STOMP.
  */
 @NonNullApi
 @NonNullFields