Add backticks in documentation

ri938 · ri938 · commit 0645868ed76b · 2017-07-07T12:00:17.000+01:00
diff --git a/doc/source/whatsnew/v0.20.3.txt b/doc/source/whatsnew/v0.20.3.txt
@@ -44,7 +44,6 @@ Bug Fixes
 - Bug in a DataFrame/Series with a ``TimedeltaIndex`` when slice indexing (:issue:`16637`)
 - Bug in reindexing on an empty ``CategoricalIndex`` (:issue:`16770`)
 
-
 Conversion
 ^^^^^^^^^^
 
