python: fix documentation title underline

Fix documentation build sphinx warning:

filesystem.rst:18: WARNING: Title underline too short.

diff --git a/bindings/python/docs/source/filesystem.rst b/bindings/python/docs/source/filesystem.rst
index 558c93de592af64be4c15839cf541a6d1f95fa4d..13fe11946c464eb63e1e06f0ac82b38d0551f0fa 100644 (file)
--- a/bindings/python/docs/source/filesystem.rst
+++ b/bindings/python/docs/source/filesystem.rst
@@ -15,7 +15,7 @@ Files and directories
       instead.
 
 :class:`Directory` -- A directory entry in the database
-------------------------------------------------------
+-------------------------------------------------------
 
 .. autoclass:: Directory