fix format in NEWS

mllg · mllg · commit 3a296a56fd3a · 2019-09-17T17:39:45.000+02:00
diff --git a/NEWS.md b/NEWS.md
@@ -1,11 +1,11 @@
 # mlr3misc
 
-# v0.1.4
+## v0.1.4
 
 * Added argument `na_rm` to `which_max()` and `which_min()`.
 * Fixed a bug in `as_short_string()` for empty atomic vectors.
 
-# v0.1.3
+## v0.1.3
 
 * New function `detect()`.
 * New function `dictionary_sugar()`.
