diff -r 521c35556177 -r aba381b2bac9 content/hp34970a.rst --- a/content/hp34970a.rst Thu Nov 05 22:14:33 2020 +0100 +++ b/content/hp34970a.rst Thu Nov 05 22:15:16 2020 +0100 @@ -105,7 +105,7 @@ So I tried such a rejuvenation on my VFD module. I wasn't sure what color the filaments must be heated to (between a light orange to an almost white yellow). I was doing this using my `Lambda PSU -<{static}/LPD422FM.rst>`_ raising the voltage while looking at the +<{filename}/LPD422FM.rst>`_ raising the voltage while looking at the filaments. The results are very disappointing. The VFD is a little bit brighter,