Add a note about overriding the journalctl nowrap default
Hoping that this helps people who consider this as annoying as I do.
Change-Id: I45e71301efb8d9a17989b57232a142e786175c2a
diff --git a/doc/source/systemd.rst b/doc/source/systemd.rst
index c1d2944..2009f74 100644
--- a/doc/source/systemd.rst
+++ b/doc/source/systemd.rst
@@ -115,8 +115,9 @@
journalctl -a --unit devstack@n-cpu.service
When outputting to the terminal using the default pager, long lines
-appear to be truncated, but horizontal scrolling is supported via the
-left/right arrow keys.
+will be truncated, but horizontal scrolling is supported via the
+left/right arrow keys. You can override this by setting the
+``SYSTEMD_LESS`` environment variable to e.g. ``FRXM``.
See ``man 1 journalctl`` for more.