Tweaks suggested by Riccardo - #79 (comment)

dcat/index.html

@@ -2720,7 +2720,7 @@ <h2>Qualified relations</h2>
   </figure>
 
   <p>
-    Note that, while the focus of these qualified forms is to allow for additional <i>roles</i> on a relationship, other aspect of the relationships, such as the applicable time interval, are easily attached to a specific node used to describe the relationship as in these cases (e.g. see the <a href="https://www.w3.org/TR/prov-o/#qualified-terms-figure">chart of Influence relations</a> in [[PROV-O]] for some examples).
+    Note that, while the focus of these qualified forms is to allow for additional <i>roles</i> on a relationship, other aspect of the relationships, such as the applicable time interval, are easily attached when a specific node is used to describe the relationship like this (e.g. see the <a href="https://www.w3.org/TR/prov-o/#qualified-terms-figure">chart of Influence relations</a> in [[PROV-O]] for some examples).
   </p>
 <section id="qualified-attribution">
   <h3>Relationships between datasets and agents</h3>
@@ -2730,7 +2730,7 @@ <h3>Relationships between datasets and agents</h3>
     Some of these roles are enumerated in the CI_RoleCode values from [[ISO-19115-1]], in the [[DataCite]] metadata schema, and included within the <a href="https://id.loc.gov/vocabulary/relators">MARC relators</a>.
   <p>
   </p>
-    A general method for assigning an agent to a resource with a specified relationship is provided by using the qualified form <a href="https://www.w3.org/TR/prov-o/#qualifiedAttribution"><code>prov:qualifiedAttribution</code></a> from [[PROV-O]].
+    A general method for assigning an agent to a resource with a specified role is provided by using the qualified form <a href="https://www.w3.org/TR/prov-o/#qualifiedAttribution"><code>prov:qualifiedAttribution</code></a> from [[PROV-O]].
     The following provides an illustration:
   </p>
 <pre id="ex-qualified-attribution" class="example nohighlight turtle" aria-busy="false" aria-live="polite">
@@ -2750,7 +2750,7 @@ <h3>Relationships between datasets and agents</h3>
 </pre>
 
 <p>
-  In this example the roles are taken from [[ISO-19115-1]] which are available as linked data in a <a href="http://registry.it.csiro.au/def/isotc211/CI_RoleCode">discrete list</a>.
+  In this example the roles are taken from [[ISO-19115-1]] which are available as linked data in a <a href="http://registry.it.csiro.au/def/isotc211/CI_RoleCode">code list</a>.
 </p>
 
 <aside class="note">