diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/HttpResponse.java b/httpcore5/src/main/java/org/apache/hc/core5/http/HttpResponse.java
index 9b67eee8b..80c86e496 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/HttpResponse.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/HttpResponse.java
@@ -41,6 +41,8 @@ public interface HttpResponse extends HttpMessage {
      * Obtains the code of this response message.
      *
      * @return  the status code.
+     *
+     * @see HttpStatus
      */
     int getCode();
 
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/HttpStatus.java b/httpcore5/src/main/java/org/apache/hc/core5/http/HttpStatus.java
index 02b448c1a..993f50425 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/HttpStatus.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/HttpStatus.java
@@ -45,6 +45,8 @@
  * @see <a href="https://tools.ietf.org/html/rfc2817">RFC 2817 (Upgrading to TLS Within HTTP/1.1)</a>
  * @see <a href="https://tools.ietf.org/html/rfc8470">RFC 8470 (Using Early Data in HTTP)</a>
  * @since 4.0
+ * @see org.apache.hc.core5.http.message.StatusLine.StatusClass
+ * @see org.apache.hc.core5.http.message.StatusLine.StatusClass#from(int)
  */
 public final class HttpStatus {
 
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/message/StatusLine.java b/httpcore5/src/main/java/org/apache/hc/core5/http/message/StatusLine.java
index 9eb52f4ba..9cc8aaea2 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/message/StatusLine.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/message/StatusLine.java
@@ -174,6 +174,7 @@ public String toString() {
 
     /**
      * Standard classes of HTTP status codes, plus {@code OTHER} for non-standard codes.
+     * @see org.apache.hc.core5.http.HttpStatus
      */
     public enum StatusClass {
 
@@ -212,6 +213,7 @@ public enum StatusClass {
          *
          * @param statusCode response status code to get the class for.
          * @return class of the response status code.
+         * @see org.apache.hc.core5.http.HttpStatus
          */
         public static StatusClass from(final int statusCode) {
             final StatusClass statusClass;