diff --git a/terms.html b/terms.html
index 4c72ca5..13333ed 100644
--- a/terms.html
+++ b/terms.html
@@ -147,7 +147,7 @@
   </dd>
   <dt><dfn data-lt="verifiable data registries">verifiable data registry</dfn></dt>
   <dd>
-A role a system might perform by mediating the creation and <a>verification</a>
+A role that a system might perform by mediating the creation and <a>verification</a>
 of identifiers, keys, and other relevant data, such as
 <a>verifiable credential</a> schemas, revocation registries, issuer public keys,
 and so on, which might be required to use <a>verifiable credentials</a>. Some
@@ -171,4 +171,4 @@
   <dd>
 A Uniform Resource Identifier, as defined by [[RFC3986]].
   </dd>
-</dl>
\ No newline at end of file
+</dl>