diff --git a/src/java/org/apache/commons/lang/math/NumberUtils.java b/src/java/org/apache/commons/lang/math/NumberUtils.java
index e66d05705..2a2d55846 100644
--- a/src/java/org/apache/commons/lang/math/NumberUtils.java
+++ b/src/java/org/apache/commons/lang/math/NumberUtils.java
@@ -525,7 +525,7 @@ public class NumberUtils {
                     } catch (NumberFormatException nfe) {
                         // ignore the bad number
                     }
-                    //Fall through
+                    //$FALL-THROUGH$
                 case 'd' :
                 case 'D' :
                     try {
@@ -541,7 +541,7 @@ public class NumberUtils {
                     } catch (NumberFormatException e) {
                         // ignore the bad number
                     }
-                    //Fall through
+                    //$FALL-THROUGH$
                 default :
                     throw new NumberFormatException(str + " is not a valid number.");