fix RST error

docs/source/reference/modding/settings/shadows.rst

@@ -15,7 +15,7 @@ Enable or disable the rendering of shadows.
 Unlike in the original Morrowind engine, 'Shadow Mapping' is used, which can have a performance impact, but has more realistic results.
 When used in fixed-function mode, shadowed regions will appear completely black.
 To prevent this, enable :ref:`force-shaders-label`.
-A keen developer may be able to implement something better using the advice of `this post<https://github.com/OpenMW/openmw/pull/1547#issuecomment-369657381>`_, but it may be more difficult than it seems.
+A keen developer may be able to implement something better using the advice of `this post <https://github.com/OpenMW/openmw/pull/1547#issuecomment-369657381>`_, but it may be more difficult than it seems.
 
 
 number of shadow maps