index.html - "defintions" typo fix

Author: NReilingh

site/index.html

@@ -139,7 +139,7 @@ <h5>Example User</h5>
             <br/>
             <h5>Example Group</h5>
             <p class="card-text">
-              In addition to users, SCIM includes the defintions of groups. Groups are used to model the organizational structure
+              In addition to users, SCIM includes the definitions of groups. Groups are used to model the organizational structure
               of provisioned resources. Groups can contain users or other groups.
             </p>
             <div style="background: #ffffff; overflow:auto;width:auto;border:solid gray;border-width:.1em .1em .1em .8em;padding:.2em .6em;">