Update _api_docs.html

lnbits/extensions/usermanager/templates/usermanager/_api_docs.html

@@ -8,7 +8,7 @@
                 <q-card>
       <q-card-section>
        <h5 class="text-subtitle1 q-my-none">User Manager: Make and manager users/wallets</h5>
-                <p>To help developers use LNbits to manage their users, the User Manager extention allows the creation and management of users and wallets. <br/>For example, a games developer may be developing a game that needs each user to have their own wallet, LNbits can be included in the develpoers stack as the user and wallet manager.<br/>
+                <p>To help developers use LNbits to manage their users, the User Manager extension allows the creation and management of users and wallets. <br/>For example, a games developer may be developing a game that needs each user to have their own wallet, LNbits can be included in the develpoers stack as the user and wallet manager.<br/>
                   <small> Created by,  <a href="https://github.com/benarc">Ben Arc</a></small></p> 
               </q-card>
       </q-card-section>