Fix Javadoc for
org.apache.commons.configuration2.PropertiesConfiguration.getIncludeOptional().
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index eddbe82..80a9197 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -36,6 +36,9 @@
       <action dev="ggregory" type="update" issue="CONFIGURATION-752" due-to="Gary Gregory">
         Update Apache Commons VFS from 2.3 to 2.4.
       </action>
+      <action dev="ggregory" type="update" due-to="Gary Gregory">
+        Fix Javadoc for org.apache.commons.configuration2.PropertiesConfiguration.getIncludeOptional().
+      </action>
     </release>
     <release version="2.5" date="2019-05-23"
              description="Minor release with new features and updated dependencies.">
diff --git a/src/main/java/org/apache/commons/configuration2/PropertiesConfiguration.java b/src/main/java/org/apache/commons/configuration2/PropertiesConfiguration.java
index f0a13c6..80efad2 100644
--- a/src/main/java/org/apache/commons/configuration2/PropertiesConfiguration.java
+++ b/src/main/java/org/apache/commons/configuration2/PropertiesConfiguration.java
@@ -302,7 +302,7 @@
 
     /**
      * Gets the property value for including other properties files.
-     * By default it is "include".
+     * By default it is "includeoptional".
      * <p>
      * If the file is absent, processing continues normally.
      * </p>