referraCode to referralCode

Author: Arkalo2

Diff for: forms.rst

@@ -981,18 +981,18 @@ The extra fields can be injected like this:
         {{ form_row(form.username) }}
         {{ form_row(form.email) }}
 
-        {# Hidden field to send additional sponsorship code #}
+        {# Hidden field to send additional referral code #}
         <input type="hidden" name="user_create[referralCode]" value="{{ referralCode }}"/>
 
         <button type="submit">Submit</button>
     {{ form_end(form) }}
 
-Here, the sponsorship code is an extra field injected at view level.
+Here, the referral code is an extra field injected at view level.
 
-You can get the referraCode via ``getExtraData``::
+You can get the referral code via ``getExtraData``::
 
     $extraData = $form->getExtraData();
-    $referraCode = $extraData['referralCode'] ?? null;
+    $referralCode = $extraData['referralCode'] ?? null;
 
 Learn more
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