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src/main/java/org/apache/commons/collections4/map/UnmodifiableMap.java

@@ -145,10 +145,10 @@ public final class UnmodifiableMap<K, V>
     }
 
     /**
-     * Write the map out using a custom routine.
+     * Serializes this object to an ObjectOutputStream.
      *
-     * @param out  the output stream
-     * @throws IOException if an error occurs while writing to the stream
+     * @param out the target ObjectOutputStream.
+     * @throws IOException thrown when an I/O errors occur writing to the target stream.
      * @since 3.1
      */
     private void writeObject(final ObjectOutputStream out) throws IOException {