diff --git a/lws10-core/index.html b/lws10-core/index.html
index 01c7427..46b5013 100644
--- a/lws10-core/index.html
+++ b/lws10-core/index.html
@@ -173,7 +173,7 @@ <h2>Terminology</h2>
         This specification defines the following terms:
       </p>
       <ul>
-        <li><dfn data-lt="agents">agent</dfn> &mdash; a person, social entity, or software identified by a URI.</li>
+        <li><dfn data-lt="agents">agent</dfn> &mdash; a person, social entity, or software identified by a URI. An agent uses software (e.g. browser, curl, software library etc) to make LWS Client requests to the LWS Server.</li>
         <li><dfn data-lt="authentication credentials">authentication credential</dfn> &mdash; a security token that asserts claims about an <a>agent</a> or end-user. This token is secured with a cryptographic proof.
           Examples of authentication credentials include assertions of identity such as OpenID Connect ID Tokens and SAML-based assertions as well as assertions of
           capability such as ZCAPs.