Update lung_cancer_screening/questions/jinja2/book_an_appointment.jinja

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Steph Housden <167300771+stephhou@users.noreply.github.com>

Author: 2 people

lung_cancer_screening/questions/jinja2/book_an_appointment.jinja

@@ -25,7 +25,7 @@
       }) }}
 
       <p>Call us on {% include '_phone_number.jinja' %} to book an appointment. If we do not hear from you in 2 weeks we will call you.</p>
-      <p>At your face to face appointment a health professional will measure your height and weight. They will also ask you questions to check if you need a lung scan. </p>
+      <p>At your face-to-face appointment a health professional will measure your height and weight. They will also ask you questions to check if you need a lung scan.</p>
 
       <p class="nhsuk-u-margin-bottom-2"><strong>Phone lines are open:</strong></p>
       <ul class="nhsuk-list">