diff --git a/index.html b/index.html
index ba84028c2..f903701ec 100644
--- a/index.html
+++ b/index.html
@@ -862,7 +862,7 @@ <h2 id="collections">Collection Functions (Arrays or Objects)</h2>
         function is provided, it will be used on each value to generate the
         criterion by which the value is ranked. <i>-Infinity</i> is returned
         if <b>list</b> is empty, so an <a href="#isEmpty">isEmpty</a> guard
-        may be required. Non-numerical values in <b>list</b> will be ignored.
+        may be required. This function can currently only compare numbers reliably.
         This function uses operator <tt>&lt;</tt>
         (<a href="#relational-operator-note">note</a>).
       </p>
@@ -879,7 +879,7 @@ <h2 id="collections">Collection Functions (Arrays or Objects)</h2>
         function is provided, it will be used on each value to generate the
         criterion by which the value is ranked. <i>Infinity</i> is returned
         if <b>list</b> is empty, so an <a href="#isEmpty">isEmpty</a> guard
-        may be required. Non-numerical values in <b>list</b> will be ignored.
+        may be required. This function can currently only compare numbers reliably.
         This function uses operator <tt>&lt;</tt>
         (<a href="#relational-operator-note">note</a>).
       </p>