diff --git a/INSTALL.asciidoc b/INSTALL.asciidoc
index 0dcf3e6d8..811ca489e 100644
--- a/INSTALL.asciidoc
+++ b/INSTALL.asciidoc
@@ -30,9 +30,11 @@ Install the dependencies via apt-get:
 # apt-get install python3-lxml python-tox python3-pyqt5 python3-pyqt5.qtwebkit python3-pyqt5.qtquick python3-sip python3-jinja2 python3-pygments python3-yaml
 ----
 
-On Debian Stretch or Ubuntu 17.04 or later, it's also recommended to install
-`python3-pyqt5.qtwebengine` and start qutebrowser with `--backend webengine` in
-order to use the new backend.
+On Debian Stretch or Ubuntu 17.04 or later, it's also recommended to use the
+newer QtWebEngine backend.
+
+To do so, install `python3-pyqt5.qtwebengine` and `python3-pyqt5.qtopengl`, then
+start qutebrowser with `--backend webengine`.
 
 Get the qutebrowser package from the
 https://github.com/qutebrowser/qutebrowser/releases[release page] and download