GH-3878: Fix Javadocs for JdbcChannelMessageStore

Resolves #3878

**cherry-pick to 5.5.x**

Author: garyrussell

.sts4-cache/classpath-data.json

@@ -0,0 +1 @@
+{"name":"spring-integration","classpathEntries":[{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/resources.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false},{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/rt.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false},{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/jsse.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false},{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/jce.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false},{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/charsets.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false},{"kind":"binary","path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre/lib/jfr.jar","javadocContainerUrl":"https://docs.oracle.com/javase/1/docs/api/","isSystem":true,"isOwn":false,"isTest":false,"isJavaContent":false}]}

spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/store/JdbcChannelMessageStore.java

@@ -61,7 +61,7 @@
 /**
  * <p>
  * Channel-specific implementation of
- * {@link org.springframework.integration.store.MessageGroupStore} using a relational
+ * {@link org.springframework.integration.store.BasicMessageGroupStore} using a relational
  * database via JDBC.
  *
  * This message store shall be used for message channels only.