diff --git a/src/main/java/org/apache/commons/lang/LocaleUtils.java b/src/main/java/org/apache/commons/lang/LocaleUtils.java
index 12d9884..86469d1 100644
--- a/src/main/java/org/apache/commons/lang/LocaleUtils.java
+++ b/src/main/java/org/apache/commons/lang/LocaleUtils.java
@@ -39,10 +39,10 @@
  */
 public class LocaleUtils {
 
-    /** Unmodifiable map of language locales by country. */
+    /** Synchronized cache of language locales by country. */
     private static final Map cLanguagesByCountry = Collections.synchronizedMap(new HashMap());
 
-    /** Unmodifiable map of country locales by language. */
+    /** Synchronized cache of country locales by language. */
     private static final Map cCountriesByLanguage = Collections.synchronizedMap(new HashMap());
 
     /**