diff --git a/extras/src/main/java/com/google/gson/typeadapters/RuntimeTypeAdapterFactory.java b/extras/src/main/java/com/google/gson/typeadapters/RuntimeTypeAdapterFactory.java
index 5bdf6e51..f9ee32b4 100644
--- a/extras/src/main/java/com/google/gson/typeadapters/RuntimeTypeAdapterFactory.java
+++ b/extras/src/main/java/com/google/gson/typeadapters/RuntimeTypeAdapterFactory.java
@@ -94,11 +94,11 @@ import com.google.gson.stream.JsonWriter;
  * "Rectangle"}) are configurable.
  *
  * <h3>Registering Types</h3>
- * Create a {@code RuntimeTypeAdapter} by passing the base type and type field
+ * Create a {@code RuntimeTypeAdapterFactory} by passing the base type and type field
  * name to the {@link #of} factory method. If you don't supply an explicit type
  * field name, {@code "type"} will be used. <pre>   {@code
- *   RuntimeTypeAdapter<Shape> shapeAdapter
- *       = RuntimeTypeAdapter.of(Shape.class, "type");
+ *   RuntimeTypeAdapterFactory<Shape> shapeAdapter
+ *       = RuntimeTypeAdapterFactory.of(Shape.class, "type");
  * }</pre>
  * Next register all of your subtypes. Every subtype must be explicitly
  * registered. This protects your application from injection attacks. If you
@@ -115,7 +115,7 @@ import com.google.gson.stream.JsonWriter;
  *       .create();
  * }</pre>
  * Like {@code GsonBuilder}, this API supports chaining: <pre>   {@code
- *   RuntimeTypeAdapter<Shape> shapeAdapter = RuntimeTypeAdapterFactory.of(Shape.class)
+ *   RuntimeTypeAdapterFactory<Shape> shapeAdapter = RuntimeTypeAdapterFactory.of(Shape.class)
  *       .registerSubtype(Rectangle.class)
  *       .registerSubtype(Circle.class)
  *       .registerSubtype(Diamond.class);