diff --git a/doc/_static/mpl.css b/doc/_static/mpl.css
index 4e24cf579bfa..20c2b26b9660 100644
--- a/doc/_static/mpl.css
+++ b/doc/_static/mpl.css
@@ -702,7 +702,7 @@ table.docutils.field-list {
     padding: 10px;
     text-align: left;
     vertical-align: top;
-    width: 120px;
+    width: 125px;
 }
 .docutils.field-list td {
     padding: 10px 10px 10px 20px;
diff --git a/doc/docutils.conf b/doc/docutils.conf
new file mode 100644
index 000000000000..b54717ea6dc3
--- /dev/null
+++ b/doc/docutils.conf
@@ -0,0 +1,4 @@
+# These entries affect HTML output:
+[html4css1 writer]
+# Required for docutils-update, the website build system:
+field-name-limit: 20