diff --git a/pkgdown.yml b/pkgdown.yml
index 4e4e2619..4fb08b39 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -9,4 +9,4 @@ articles:
   Munsell-color-conversion: Munsell-color-conversion.html
   NCSP: NCSP.html
   new-in-aqp-2: new-in-aqp-2.html
-last_built: 2024-10-15T21:20Z
+last_built: 2024-10-16T18:26Z
diff --git a/reference/addVolumeFraction.html b/reference/addVolumeFraction.html
index 8d68a9d7..faa1eae9 100644
--- a/reference/addVolumeFraction.html
+++ b/reference/addVolumeFraction.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Symbolize Volume Fraction on a Soil Profile Collection Plot — addVolumeFraction • aqp</title><!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js" integrity="sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script><!-- Bootstrap --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous"><script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script><!-- bootstrap-toc --><link rel="stylesheet" href="../bootstrap-toc.css"><script src="../bootstrap-toc.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="../pkgdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Symbolize Volume Fraction on a Soil Profile Collection Plot — addVolumeFraction"><meta property="og:description" content="Symbolize volume fraction on an existing soil profile collection plot."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]>
+<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Symbolize Volume Fraction within a Soil Profile Collection Plot — addVolumeFraction • aqp</title><!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js" integrity="sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script><!-- Bootstrap --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous"><script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script><!-- bootstrap-toc --><link rel="stylesheet" href="../bootstrap-toc.css"><script src="../bootstrap-toc.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="../pkgdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Symbolize Volume Fraction within a Soil Profile Collection Plot — addVolumeFraction"><meta property="og:description" content="Symbolize volume fraction on an existing soil profile collection plot."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]>
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
 <![endif]--></head><body data-spy="scroll" data-target="#toc">
@@ -71,7 +71,7 @@
       </header><div class="row">
   <div class="col-md-9 contents">
     <div class="page-header">
-    <h1>Symbolize Volume Fraction on a Soil Profile Collection Plot</h1>
+    <h1>Symbolize Volume Fraction within a Soil Profile Collection Plot</h1>
     <small class="dont-index">Source: <a href="https://github.com/ncss-tech/aqp/blob/master/R/addVolumeFraction.R" class="external-link"><code>R/addVolumeFraction.R</code></a></small>
     <div class="hidden name"><code>addVolumeFraction.Rd</code></div>
     </div>
@@ -101,7 +101,7 @@ <h2>Arguments</h2>
 
 
 <dt id="arg-colname">colname<a class="anchor" aria-label="anchor" href="#arg-colname"></a></dt>
-<dd><p>character vector of length 1, naming the column containing volume fraction data (horizon-level attribute)</p></dd>
+<dd><p>character vector of length 1, naming the column containing volume fraction data (horizon-level attribute). Values should be within 0-100 percent.</p></dd>
 
 
 <dt id="arg-res">res<a class="anchor" aria-label="anchor" href="#arg-res"></a></dt>
@@ -126,11 +126,11 @@ <h2>Arguments</h2>
 </dl></div>
     <div id="details">
     <h2>Details</h2>
-    <p>This function can only be called after plotting a <code>SoilProfileCollection</code> object. Details associated with a call to <code>plotSPC</code> are automatically accounted for within this function: e.g. <code>plot.order</code>, <code>width</code>, etc..</p>
+    <p>This function can only be called after plotting a <code>SoilProfileCollection</code> object. Details associated with a call to <code><a href="SoilProfileCollection-plotting-methods.html">plotSPC()</a></code> are automatically accounted for within this function: e.g. <code>plot.order</code>, <code>width</code>, etc..</p>
     </div>
     <div id="see-also">
     <h2>See also</h2>
-    <div class="dont-index"><p><code><a href="SoilProfileCollection-plotting-methods.html">plotSPC</a></code></p></div>
+    <div class="dont-index"><p><code><a href="SoilProfileCollection-plotting-methods.html">plotSPC()</a></code></p></div>
     </div>
     <div id="author">
     <h2>Author</h2>
diff --git a/reference/index.html b/reference/index.html
index fb8a48a0..da3b99dc 100644
--- a/reference/index.html
+++ b/reference/index.html
@@ -137,7 +137,7 @@ <h2 id="all-functions">All functions <a href="#all-functions" class="anchor" ari
       </tr><tr><td>
           <p><code><a href="addVolumeFraction.html">addVolumeFraction()</a></code> </p>
         </td>
-        <td><p>Symbolize Volume Fraction on a Soil Profile Collection Plot</p></td>
+        <td><p>Symbolize Volume Fraction within a Soil Profile Collection Plot</p></td>
       </tr><tr><td>
           <p><code><a href="aggregateColor.html">aggregateColor()</a></code> </p>
         </td>
