diff --git a/core-common/src/main/java/org/mapstruct/Mapper.java b/core-common/src/main/java/org/mapstruct/Mapper.java
index c01cf9686..bb92a58d2 100644
--- a/core-common/src/main/java/org/mapstruct/Mapper.java
+++ b/core-common/src/main/java/org/mapstruct/Mapper.java
@@ -60,6 +60,8 @@ public @interface Mapper {
      * configuration set by {@link #config() }
      *
      * @return The reporting policy for unmapped source properties.
+     *
+     * @since 1.3
      */
     ReportingPolicy unmappedSourcePolicy() default ReportingPolicy.IGNORE;
 
diff --git a/core-common/src/main/java/org/mapstruct/MapperConfig.java b/core-common/src/main/java/org/mapstruct/MapperConfig.java
index 343966e5a..e9bbec0aa 100644
--- a/core-common/src/main/java/org/mapstruct/MapperConfig.java
+++ b/core-common/src/main/java/org/mapstruct/MapperConfig.java
@@ -62,6 +62,8 @@ public @interface MapperConfig {
      * reported.
      *
      * @return The reporting policy for unmapped source properties.
+     *
+     * @since 1.3
      */
     ReportingPolicy unmappedSourcePolicy() default ReportingPolicy.IGNORE;