default .db its just a admin account with password password123

app.py

@@ -55,7 +55,7 @@ def handle_submission():
     form_password = request.form.get('password') or ''
 
     if not form_username or not form_email or not form_password:
-        return render_template('signup.html', error="All fields are required"), 400
+        return render_template('signup.html', error="All fields must be entered to complete registration"), 400
 
     if len(form_password) < 8:
         return render_template('signup.html', error="Password must be at least 8 characters"), 400
@@ -63,7 +63,7 @@ def handle_submission():
     if User.query.filter_by(username=form_username).first():
         return render_template('signup.html', user_taken="Username has already been taken"), 400
     if User.query.filter_by(email=form_email).first():
-        return render_template('signup.html', email_taken="Email has already been used"), 400
+        return render_template('signup.html', email_taken="Email has already been used before"), 400
 
     hashed_password = generate_password_hash(form_password)
     new_user = User(username=form_username, email=form_email, password_hash=hashed_password)
@@ -73,7 +73,7 @@ def handle_submission():
         db.session.commit()
     except IntegrityError:
         db.session.rollback()
-        return render_template('signup.html', error="Username or email already taken"), 400
+        return render_template('signup.html', error="Username or email has already taken"), 400
 
     return render_template('signup.html', success_message="Account successfully created")
 
@@ -161,6 +161,10 @@ def logout():
 def signup():
     return render_template('signup.html')
 
+@app.route('/pagemaker')
+def pagemaker():
+    return render_template('pagemaker.html')
+
 @app.route('/all_users')
 @login_required
 def all_users():

templates/about.html

@@ -1,4 +1,6 @@
 {% extends 'base.html' %}
 {% block content %}
     <h1>About this website</h1>
+
+    <p>This website is about different subjects in Maths and resources for them.</p>
 {% endblock %}

templates/pagemaker.html

@@ -0,0 +1,4 @@
+{% extends 'base.html' %}
+{% block content %}
+    <h1>Where all the things required for making a page</h1>
+{% endblock %}