diff --git a/config/modules.json b/config/modules.json
index f6b6e74..c290f4e 100644
--- a/config/modules.json
+++ b/config/modules.json
@@ -92,9 +92,9 @@
 				"lastName":  { "des": "Professor first name.",                "typ": "varchar(2,30,alphanumeric)"         },
 				"category":  { "des": "Professor category UID.",              "typ": "id"                                 },
 				"hoursToDo": { "des": "Number of hours professor have to do", "typ": "id"                                 },
-				"initials":  { "des": "Professor initials",                   "typ": "varchar(2,2,letters)"               },
+				"initials":  { "des": "Professor initials",                   "typ": "varchar(2,8,letters)"               },
 				"isAdmin":   { "des": "Whether professor is an admin",        "typ": "boolean"                            },
-				"casLogin":  { "des": "Optional CAS username",                "typ": "varchar(6,10,letters)", "opt": true }
+				"casLogin":  { "des": "Optional CAS username",                "typ": "varchar(6,16,letters)", "opt": true }
 			},
 			"out": {
 				"created_uid": { "des": "Created professor UID", "typ": "id" }