Updated redirect URI validator.

Change-Id: I1545a01247aac05327fd48526134c9d290d2f3d8
diff --git a/full/src/main/resources/kustvakt.conf b/full/src/main/resources/kustvakt.conf
index 75a3483..8adf152 100644
--- a/full/src/main/resources/kustvakt.conf
+++ b/full/src/main/resources/kustvakt.conf
@@ -73,7 +73,7 @@
 security.validation.stringLength = 150
 security.validation.emailLength = 50
 security.encryption.algo=BCRYPT
-security.sharedSecret=sharedSecret
+security.sharedSecret=this-is-shared-secret-code-for-JWT-Signing.It-must-contains-minimum-256-bits
 security.adminToken=adminToken
 
 ## applicable: rewrite, foundry, filter, deny