Fix Javadoc typo.
diff --git a/src/main/java/org/apache/commons/configuration2/XMLConfiguration.java b/src/main/java/org/apache/commons/configuration2/XMLConfiguration.java
index 540486d..0248265 100644
--- a/src/main/java/org/apache/commons/configuration2/XMLConfiguration.java
+++ b/src/main/java/org/apache/commons/configuration2/XMLConfiguration.java
@@ -875,7 +875,7 @@
/**
* Creates and initializes the transformer used for save operations. This
* base implementation initializes all of the default settings like
- * indention mode and the DOCTYPE. Derived classes may overload this method
+ * indentation mode and the DOCTYPE. Derived classes may overload this method
* if they have specific needs.
*
* @return the transformer to use for a save operation