docs: fix formatting error in docs/known_issues.rst

diff --git a/docs/known_issues.rst b/docs/known_issues.rst
index cebba4f7c49a40907b04c3d6f3e1d36546cbab4c..d7e444a716b2b46f1c35bcc9ba13dce8d94d755e 100644 (file)
--- a/docs/known_issues.rst
+++ b/docs/known_issues.rst
@@ -1,6 +1,6 @@
-============
-Known Issues
-============
+==============
+ Known Issues
+==============
 
 * `Overview`_
 * `Issues in Tahoe-LAFS v1.8.2, released 2011-01-30`