diff --git a/lms/hooks.py b/lms/hooks.py
index 67affeb8..2ecdb1df 100644
--- a/lms/hooks.py
+++ b/lms/hooks.py
@@ -2,10 +2,10 @@
 from __future__ import unicode_literals
 from . import __version__ as app_version
 
-app_name = "lms"
-app_title = "LMS"
+app_name = "frappe_lms"
+app_title = "Frappe LMS"
 app_publisher = "Frappe"
-app_description = "LMS App"
+app_description = "Frappe LMS App"
 app_icon = "octicon octicon-file-directory"
 app_color = "grey"
 app_email = "school@frappe.io"
diff --git a/lms/overrides/user.py b/lms/overrides/user.py
index 93eae082..ff587647 100644
--- a/lms/overrides/user.py
+++ b/lms/overrides/user.py
@@ -20,9 +20,9 @@ class CustomUser(User):
 
     def validate_username_characters(self):
         if len(self.username):
-            underscore_condition = self.username[0] == "_" or self.username[-1] == "_"
+            other_conditions = self.username[0] == "_" or self.username[-1] == "_" or "-" in self.username
         else:
-            underscore_condition = ''
+            other_conditions = ''
 
         regex = re.compile('[@!#$%^&*()<>?/\|}{~:-]')
 
@@ -33,12 +33,12 @@ class CustomUser(User):
             if self.username.find(" "):
                 self.username.replace(" ", "")
 
-            if regex.search(self.username) or underscore_condition:
-                self.username = self.remove_illegal_characters()
-
             if len(self.username) < 4:
                 self.username = self.email.replace("@", "").replace(".", "")
 
+            if regex.search(self.username) or other_conditions:
+                self.username = self.remove_illegal_characters()
+
             while self.username_exists():
                 self.username = self.remove_illegal_characters() + str(random.randint(0, 99))
 
@@ -49,8 +49,11 @@ class CustomUser(User):
             if regex.search(self.username):
                 frappe.throw(_("Username can only contain alphabets, numbers and underscore."))
 
-            if underscore_condition:
-                frappe.throw(_("First and Last character of username cannot be Underscore(_)."))
+            if other_conditions:
+                if "-" in self.username:
+                    frappe.throw(_("Username cannot contain a Hyphen(-)"))
+                else:
+                    frappe.throw(_("First and Last character of username cannot be Underscore(_)."))
 
             if len(self.username) < 4:
                 frappe.throw(_("Username cannot be less than 4 characters"))