diff --git a/doc/userguide/_static/css/suricata.css b/doc/userguide/_static/css/suricata.css
index 5fdbbf1118..43dc06b74e 100644
--- a/doc/userguide/_static/css/suricata.css
+++ b/doc/userguide/_static/css/suricata.css
@@ -25,3 +25,10 @@
 .example-rule-options {
     color: #00f;
 }
+
+/* Make tables wrap text to avoid requiring the user to horizontally
+ * scroll. */
+.wy-table-responsive table td, .wy-table-responsive table th {
+    white-space: inherit;
+    vertical-align: top !important;
+}