update def

Author: nsheff

index.html

@@ -18,7 +18,7 @@ <h1>Portable Encapsulated Projects</h1>
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             <h2 class="header-light regular-pad">What is a PEP?</h2>
             <blockquote>
-              <p>A <i>PEP</i>, or <i>Portable Encapsulated Project</i>, is a project that subscribes to the PEP structure for organizing project and sample metadata. It is written using a simple <b>yaml + tsv</b> format that can be read by various tools in the pep toolkit, including universal R and Python packages. pepkit is your one-stop solution to <b>metadata management</b> across data analysis environments.</p>
+              <p>A <i>PEP</i>, or <i>Portable Encapsulated Project</i>, is a dataset that subscribes to the PEP structure for organizing metadata. It is written using a simple <b>yaml + tsv</b> format that can be read by tools in the pep toolkit, including universal R and Python packages. pepkit is your one-stop solution to <b>metadata management</b> across data analysis environments.</p>
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