diff --git a/static/build.html b/static/build.html
index 6652c16d..be0128ae 100644
--- a/static/build.html
+++ b/static/build.html
@@ -251,6 +251,8 @@
             source tree:</p>
 
             <ul>
+                <li>freetype2 and any OpenType/TrueType font (such as DejaVu but anything works)
+                    for OpenJDK despite it being a headless variant without GUI support</li>
                 <li>m4 (will be included as a prebuilt in the next major release)</li>
                 <li>ncurses5 (provided by the source tree for some tools but not others)</li>
                 <li>python2 (being replaced with python3 for the next major release)</li>