diff --git a/src/main/java/org/apache/commons/lang3/builder/AbstractSupplier.java b/src/main/java/org/apache/commons/lang3/builder/AbstractSupplier.java
index cf21560c0cf..16532191d72 100644
--- a/src/main/java/org/apache/commons/lang3/builder/AbstractSupplier.java
+++ b/src/main/java/org/apache/commons/lang3/builder/AbstractSupplier.java
@@ -37,9 +37,15 @@ public AbstractSupplier() {
     }
 
     /**
-     * Returns this instance typed as the proper subclass type.
+     * Returns this instance typed as the subclass type {@code B}.
+     * <p>
+     * This is the same as the expression:
+     * </p>
+     * <pre>
+     * (B) this
+     * </pre>
      *
-     * @return this instance typed as the proper subclass type.
+     * @return this instance typed as the subclass type {@code B}.
      */
     @SuppressWarnings("unchecked")
     protected B asThis() {