diff --git a/crypto/src/main/java/org/springframework/security/crypto/password/DelegatingPasswordEncoder.java b/crypto/src/main/java/org/springframework/security/crypto/password/DelegatingPasswordEncoder.java
index e14b5111af..d72dbc64f7 100644
--- a/crypto/src/main/java/org/springframework/security/crypto/password/DelegatingPasswordEncoder.java
+++ b/crypto/src/main/java/org/springframework/security/crypto/password/DelegatingPasswordEncoder.java
@@ -238,7 +238,8 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
 	}
 
 	/**
-	 * Default {@link PasswordEncoder} that throws an exception that a id could
+	 * Default {@link PasswordEncoder} that throws an exception telling that a suitable
+	 * {@link PasswordEncoder} for the id could not be found.
 	 */
 	private class UnmappedIdPasswordEncoder implements PasswordEncoder {