Sync with the source at fefea69

Author: Sparks29032

products/pdfgui.html

@@ -108,6 +108,18 @@ <h2>Overview<a class="headerlink" href="#overview" title="Link to this heading">
 </figcaption>
 </figure>
 </section>
+<section id="reference">
+<h2>Reference<a class="headerlink" href="#reference" title="Link to this heading">¶</a></h2>
+<p>If you use this program for a scientific research that leads to publication,
+we ask that you acknowledge use of the program by citing the following paper
+in your publication:</p>
+<blockquote>
+<div><p>C L Farrow, P Juhas, J W Liu, D Bryndin, E S Božin,
+J Bloch, Th Proffen and S J L Billinge, <a class="reference external" href="https://doi.org/10.1088/0953-8984/19/33/335219">PDFfit2 and PDFgui:
+computer programs for studying nanostructure in crystals</a>,
+J. Phys.: Condens. Matter 19 (2007) 335219.</p>
+</div></blockquote>
+</section>
 <section id="installation">
 <h2>Installation<a class="headerlink" href="#installation" title="Link to this heading">¶</a></h2>
 <p>By downloading and using this software you are agreeing to the
@@ -161,7 +173,7 @@ <h3>macOS (Arm64)<a class="headerlink" href="#macos-arm64" title="Link to this h
 </pre></div>
 </div>
 <p>Finally, we want to install PDFgui, again from conda-forge:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>conda<span class="w"> </span>install<span class="w"> </span>diffpy.pdfgui<span class="w"> </span>--no-deps
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>pip<span class="w"> </span>install<span class="w"> </span>diffpy.pdfgui
 </pre></div>
 </div>
 </section>