diff --git a/appointment/services.py b/appointment/services.py
index e6fa932..0b2bf07 100644
--- a/appointment/services.py
+++ b/appointment/services.py
@@ -63,9 +63,9 @@ def prepare_appointment_display_data(user, appointment_id):
         return None, None, _("You are not authorized to view this appointment."), 403
 
     # Prepare the data for display
-    page_title = _("Appointment Details for {client_name}").format(client_name=appointment.get_client_name())
+    page_title = _("Appointment details: {client_name}").format(client_name=appointment.get_client_name())
     if user.is_superuser:
-        page_title += f' ({appointment.get_staff_member_name()})'
+        page_title += f' (by: {appointment.get_staff_member_name()})'
 
     return appointment, page_title, None, 200
 
diff --git a/appointment/templates/administration/manage_working_hours.html b/appointment/templates/administration/manage_working_hours.html
index c242627..32cafec 100644
--- a/appointment/templates/administration/manage_working_hours.html
+++ b/appointment/templates/administration/manage_working_hours.html
@@ -36,7 +36,7 @@ <h2>{% trans "Manage Working Hours" %}</h2>
                     </div>
 
                     <div class="form-group">
-                        <label for="{{ working_hours_form.start_time.id_for_label }}">{% trans 'Start Time' %}:</label>
+                        <label for="{{ working_hours_form.start_time.id_for_label }}">{% trans 'Start time' %}:</label>
                         <div class="input-group date" id="start-timepicker" data-target-input="nearest">
                             <input type="text" class="form-control datetimepicker-input" data-toggle="datetimepicker"
                                    data-target="#start-timepicker" name="{{ working_hours_form.start_time.name }}"
@@ -50,7 +50,7 @@ <h2>{% trans "Manage Working Hours" %}</h2>
                     </div>
 
                     <div class="form-group">
-                        <label for="{{ working_hours_form.end_time.id_for_label }}">{% trans 'End Time' %}:</label>
+                        <label for="{{ working_hours_form.end_time.id_for_label }}">{% trans 'End time' %}:</label>
                         <div class="input-group date" id="end-timepicker" data-target-input="nearest">
                             <input type="text" class="form-control datetimepicker-input" data-toggle="datetimepicker"
                                    data-target="#end-timepicker" name="{{ working_hours_form.end_time.name }}"
diff --git a/appointment/templates/administration/user_profile.html b/appointment/templates/administration/user_profile.html
index d228dfe..22cd141 100644
--- a/appointment/templates/administration/user_profile.html
+++ b/appointment/templates/administration/user_profile.html
@@ -29,8 +29,8 @@
                 <h2>{% trans 'Personal Information' %}</h2>
                 <!-- Display fields from PersonalInformationForm -->
                 <div class="section-content">
-                    <p><strong>{% trans 'First Name' %}:</strong> {{ user.first_name }}</p>
-                    <p><strong>{% trans 'Last Name' %}:</strong> {{ user.last_name }}</p>
+                    <p><strong>{% trans 'First name' %}:</strong> {{ user.first_name }}</p>
+                    <p><strong>{% trans 'Last name' %}:</strong> {{ user.last_name }}</p>
                     <p><strong>{% trans 'Email' %}:</strong> {{ user.email }}</p>
                 </div>
                 <a href="{% url 'appointment:update_user_info' user.id %}"
@@ -94,8 +94,8 @@ <h2>{% trans 'Days Off' %}</h2>
                     <table>
                         <thead>
                         <tr>
-                            <th>{% trans 'Start Date' %}</th>
-                            <th>{% trans 'End Date' %}</th>
+                            <th>{% trans 'Start date' %}</th>
+                            <th>{% trans 'End date' %}</th>
                             <th>{% trans 'Description' %}</th>
                             <th>{% trans 'Action' %}</th>
                         </tr>
@@ -161,8 +161,8 @@ <h2>{% trans 'Working Hours' %}</h2>
                         <thead>
                         <tr>
                             <th>{% trans 'Day' %}</th>
-                            <th>{% trans 'Start Time' %}</th>
-                            <th>{% trans 'End Time' %}</th>
+                            <th>{% trans 'Start time' %}</th>
+                            <th>{% trans 'End time' %}</th>
                             <th>{% trans 'Action' %}</th>
                         </tr>
                         </thead>
@@ -229,7 +229,7 @@ <h2>{% trans 'Service Offered' %}</h2>
                             <th>{% trans 'Description' %}</th>
                             <th>{% trans 'Duration' %}</th>
                             <th>{% trans 'Price' %}</th>
-                            <th>{% trans 'Down Payment' %}</th>
+                            <th>{% trans 'Down payment' %}</th>
                         </tr>
                         </thead>
                         <tbody>
diff --git a/appointment/templates/appointment/appointment_client_information.html b/appointment/templates/appointment/appointment_client_information.html
index b5b5f63..18b584b 100644
--- a/appointment/templates/appointment/appointment_client_information.html
+++ b/appointment/templates/appointment/appointment_client_information.html
@@ -64,7 +64,7 @@ <h1 class="description-title">{% trans "Tell us a bit about yourself" %}</h1>
                             </div>
                             <div class="phone-number">
                                 <label for="{{ form.phone.id_for_label }}">
-                                    {% trans "Phone Number" %} *<br>
+                                    {% trans "Phone" %} *<br>
                                 </label>
                                 <div class="phone-input-container">
                                     {{ form.phone }}
diff --git a/appointment/utils/date_time.py b/appointment/utils/date_time.py
index 1b50e31..2743c5a 100644
--- a/appointment/utils/date_time.py
+++ b/appointment/utils/date_time.py
@@ -9,7 +9,7 @@
 import datetime
 
 from django.utils import timezone
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 
 from appointment.settings import APP_TIME_ZONE
 
@@ -43,23 +43,26 @@ def convert_minutes_in_human_readable_format(minutes: float) -> str:
         return _("Not set.")
     if minutes < 0:
         raise ValueError("Minutes cannot be negative.")
-    days, minutes = divmod(int(minutes), 1440)
-    hours, minutes = divmod(int(minutes), 60)
-
-    def format_unit(value, single_name, plural_name):
-        return _("{value} {name}").format(value=value, name=single_name if value <= 1 else plural_name)
+    days, remaining_minutes = divmod(int(minutes), 1440)
+    hours, minutes = divmod(int(remaining_minutes), 60)
 
     parts = []
     if days:
-        parts.append(format_unit(days, "day", "days"))
+        days_display = ngettext("%(count)d day", "%(count)d days", days) % {'count': days}
+        parts.append(days_display)
+
     if hours:
-        parts.append(format_unit(hours, "hour", "hours"))
+        hours_display = ngettext("%(count)d hour", "%(count)d hours", hours) % {'count': hours}
+        parts.append(hours_display)
+
     if minutes:
-        parts.append(format_unit(minutes, "minute", "minutes"))
+        minutes_display = ngettext("%(count)d minute", "%(count)d minutes", minutes) % {'count': minutes}
+        parts.append(minutes_display)
+
     if len(parts) == 1:
         return parts[0]
     elif len(parts) == 2:
-        return _(" and ").join(parts)
+        return _("{first_part} and {second_part}").format(first_part=parts[0], second_part=parts[1])
     elif len(parts) == 3:
         return _("{days}, {hours} and {minutes}").format(days=parts[0], hours=parts[1], minutes=parts[2])
     else:
@@ -70,8 +73,8 @@ def convert_str_to_date(date_str: str) -> datetime.date:
     """Convert a date string to a datetime date object.
 
     :param date_str: The date string.
-                     Supported formats include '%Y-%m-%d' (like "2023-12-31") and '%Y/%m/%d' (like "2023/12/31").
-    :return: datetime.date, the converted date
+                     Supported formats include `%Y-%m-%d` (like "2023-12-31") and `%Y/%m/%d` (like "2023/12/31").
+    :return: The converted `datetime.date`'s object.
     """
     date_formats = ['%Y-%m-%d', '%Y/%m/%d', '%Y.%m.%d']