[doc] Update HISTORY.rst file

Change-Id: I619e3dc694c3f909ebfecd34967f95e80623b66d
---
M HISTORY.rst
1 file changed, 2 insertions(+), 0 deletions(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index ed60feb..5a332e4 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -4,6 +4,8 @@
 Current release
 ---------------
 
+* New rule 'startcolon' was introduced in textlib
+* BaseBot has new methods setup and teardown
 * UploadBot got a filename prefix parameter (T170123)
 * cosmetic_changes is able to remove empty sections (T140570)
 * Pywikibot is following PEP 396 versioning
