diff --git a/second.py b/second.py
index a235669..d9f38ba 100644
--- a/second.py
+++ b/second.py
@@ -60,7 +60,7 @@ def stack_deploy(app_name, env):
 
 
 def get_loaded_env(app_name, request_form):
-    """Load an environment with install form values for compose.yml injection."""
+    """Load environment from install form for compose.yml injection."""
     environment = environ.copy()
     for key in request_form.keys():
         environment[key.upper()] = request.form[key]
@@ -71,80 +71,26 @@ class GiteaInstallForm(FlaskForm):
     """Gitea installation form."""
 
     app_name = StringField("Application name", default="Git with a cup of tea")
-    domain = StringField(
-        # TODO(decentral1se): missing domain name validator
-        "Domain name",
-        validators=[DataRequired("Please enter a domain name")],
-    )
+    domain = StringField("Domain name", validators=[DataRequired()],)
 
     db_host = StringField("Database host", default="mariadb:3306")
     db_name = StringField("Database name", default="gitea")
     db_passwd = PasswordField(
-        "Database password",
-        validators=[
-            DataRequired(),
-            Length(
-                min=32,
-                message=(
-                    "Your chosen password length is too short, "
-                    "must be at least 32 characters long"
-                ),
-            ),
-        ],
+        "Database password", validators=[DataRequired(), Length(min=32)],
     )
     db_root_passwd = PasswordField(
-        "Database root password",
-        validators=[
-            DataRequired(),
-            Length(
-                min=32,
-                message=(
-                    "Your chosen password length is too short, "
-                    "it must be at least 32 characters long"
-                ),
-            ),
-        ],
+        "Database root password", validators=[DataRequired(), Length(min=32)],
     )
     db_type = StringField("Database type", default="mysql")
     db_user = StringField("Database user", default="mysql")
     internal_token = PasswordField(
-        "Internal secret token",
-        validators=[
-            DataRequired(),
-            Length(
-                min=105,
-                message=(
-                    "Your chosen token length is too short, "
-                    "it must be at least 105 characters long"
-                ),
-            ),
-        ],
+        "Internal secret token", validators=[DataRequired(), Length(min=105)],
     )
     jwt_secret = PasswordField(
-        "JWT secret",
-        validators=[
-            DataRequired(),
-            Length(
-                min=43,
-                message=(
-                    "Your chosen password length is too short, "
-                    "it must be at least 32 characters long"
-                ),
-            ),
-        ],
+        "JWT secret", validators=[DataRequired(), Length(min=43)],
     )
     secret_key = PasswordField(
-        "Secret key",
-        validators=[
-            DataRequired(),
-            Length(
-                min=64,
-                message=(
-                    "Your chosen password length is too short, "
-                    "it must be at least 64 characters long"
-                ),
-            ),
-        ],
+        "Secret key", validators=[DataRequired(), Length(min=64),],
     )
     ssh_port = StringField("SSH port", default="2222")