diff --git a/manual/_static/css/wraptable.css b/manual/_static/css/wraptable.css
new file mode 100644
index 00000000..732e7a98
--- /dev/null
+++ b/manual/_static/css/wraptable.css
@@ -0,0 +1,4 @@
+/* ensure text in table cells wrap */
+.wy-table-responsive table td, .wy-table-responsive table th {
+    white-space: normal;
+}
diff --git a/manual/conf.py b/manual/conf.py
index 3f334d8c..dafd49f1 100644
--- a/manual/conf.py
+++ b/manual/conf.py
@@ -27,4 +27,8 @@ html_theme_options = {
     "body_max_width": None,
 }
 html_logo = '../logo/qpdf.svg'
+html_static_path = ['_static']
+html_css_files = [
+    'css/wraptable.css',
+]
 highlight_language = 'none'