fix typos

public/partials/claim.htm

@@ -7,9 +7,9 @@
           name="claimForm"
           novalidate
         >
-          <h5 class="card-title">Claim an annoymized reposiotry</h5>
+          <h5 class="card-title">Claim an anonymized repository</h5>
           <h6 class="card-subtitle mb-2 text-muted">
-            Claim the ownership of an exisiting annoymized reposiotry.
+            Claim the ownership of an existing anonymized repository.
           </h6>
           <div class="form-row">
             <div class="col form-group">