diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RenameDetector.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RenameDetector.java
index 87a67a79c..04e669ffe 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RenameDetector.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RenameDetector.java
@@ -146,7 +146,9 @@ public int getRenameScore() {
 	 * that approximately 60% of the bytes in the files are identical.
 	 *
 	 * @param score
-	 *            new rename score, must be within (0, 100).
+	 *            new rename score, must be within [0, 100].
+	 * @throws IllegalArgumentException
+	 *             the score was not within [0, 100].
 	 */
 	public void setRenameScore(int score) {
 		if (score < 0 || score > 100)