Fix a few remaining problems found by rstlint.
diff --git a/Doc/library/bdb.rst b/Doc/library/bdb.rst
index b1cf200..9d75a01 100644
--- a/Doc/library/bdb.rst
+++ b/Doc/library/bdb.rst
@@ -335,7 +335,7 @@
 
    Determine if there is an effective (active) breakpoint at this line of code.
    Return breakpoint number or 0 if none.
-	
+
    Called only if we know there is a breakpoint at this location.  Returns the
    breakpoint that was triggered and a flag that indicates if it is ok to delete
    a temporary breakpoint.