diff --git a/GrossesMitaines/grosses-mitaines-ui/src/pages/ContactUs.js b/GrossesMitaines/grosses-mitaines-ui/src/pages/ContactUs.js
index 134624d..1ee29ae 100644
--- a/GrossesMitaines/grosses-mitaines-ui/src/pages/ContactUs.js
+++ b/GrossesMitaines/grosses-mitaines-ui/src/pages/ContactUs.js
@@ -8,7 +8,7 @@ export default function App() {
       /* "handleSubmit" will validate your inputs before invoking "onSubmit" */
       <form onSubmit={handleSubmit(onSubmit)}>
          <div className="Contact">
-            <h1>Contacter-nous!</h1>
+            <h1>Contactez-nous!</h1>
             <div className="Error_color">
                <div>
                   <div>
diff --git a/GrossesMitaines/grosses-mitaines-ui/src/pages/Formulaire.js b/GrossesMitaines/grosses-mitaines-ui/src/pages/Formulaire.js
index e971e37..ba41e50 100644
--- a/GrossesMitaines/grosses-mitaines-ui/src/pages/Formulaire.js
+++ b/GrossesMitaines/grosses-mitaines-ui/src/pages/Formulaire.js
@@ -202,12 +202,13 @@ export default function App() {
                         </div>
                         <div className="form-group">
                             <label>Code postal*: </label>
-                            <input {...register("postalCode", { required: true })}
+                            <input {...register("postalCode", { required: true, pattern: /^[ABCEGHJ-NPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][ -]?\d[ABCEGHJ-NPRSTV-Z]\d$/i  })}
                                 value={currentAdress.postalCode}
                                 onChange={(e) => setCurrentAdress((prev) => { return { ...prev, postalCode: e.target.value } })} />
                         </div>
                         <div>
                             {errors.postalCode && errors.postalCode.type === 'required' && <span>Vous devez entrer votre code postal!</span>}
+                            {errors.postalCode && errors.postalCode.type === 'pattern' && <span>Veuillez entrer un code postal valide!</span>}
                         </div>
                     </div>
 
diff --git a/GrossesMitaines/grosses-mitaines-ui/src/pages/MyAddresses.js b/GrossesMitaines/grosses-mitaines-ui/src/pages/MyAddresses.js
index 03dc273..00d76ba 100644
--- a/GrossesMitaines/grosses-mitaines-ui/src/pages/MyAddresses.js
+++ b/GrossesMitaines/grosses-mitaines-ui/src/pages/MyAddresses.js
@@ -207,11 +207,12 @@ const MyAddresses = () => {
                                 </div>
                                 <div className="form-group">
                                     <label>Code postal*: </label>
-                                    <input {...register("postalCode", { required: true })}
+                                    <input {...register("postalCode", { required: true, pattern: /^[ABCEGHJ-NPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][ -]?\d[ABCEGHJ-NPRSTV-Z]\d$/i  })}
                                     />
                                 </div>
                                 <div>
                                     {errors.postalCode && errors.postalCode.type === 'required' && <span>Vous devez entrer votre code postal!</span>}
+                                    {errors.postalCode && errors.postalCode.type === 'pattern' && <span>Veuillez entrer un code postal valide!</span>}
                                 </div>
                             </div>