diff --git a/src/main/resources/validation.properties b/src/main/resources/validation.properties
index 22f27c5..a38ae80 100644
--- a/src/main/resources/validation.properties
+++ b/src/main/resources/validation.properties
@@ -32,5 +32,6 @@
 # as used by apache commons validator for strings
 # Validator.string=^[\\.;:,\\=&\\*\\/\\/_()\\[\\]@\\|\\-0-9\\p{L}\\p{Space}]{0,1024}$
 
-Validator.username=^[A-Za-z_.\\d]{6,15}$
+#Validator.username=^[A-Za-z_.\\d]{6,15}$ by Hanl
+Validator.username=^[A-Za-z_.\\d]{3,20}$ # 21.04.17/FB
 Validator.password=^((?=.*\\d)(?=.*[A-Za-z])(?!.*[\\(\\)-]).{8,20})$
\ No newline at end of file