diff --git a/.github/CONTRIBUTING.rst b/.github/CONTRIBUTING.rst
index 212b000bd..c36504deb 100644
--- a/.github/CONTRIBUTING.rst
+++ b/.github/CONTRIBUTING.rst
@@ -41,9 +41,9 @@ If you already know what you'd like to work on, you can skip this section.
 
 If you have an idea for something to do, first check if it's already been filed on the `issue tracker`_. If so, add a comment to the issue saying you'd like to work on it, and we'll help you get started! Otherwise, please file a new issue and assign yourself to it.
 
-Another great way to start contributing is by writing tests. Tests are really important because they help prevent developers from accidentally breaking existing code, allowing them to build cool things faster. If you're interested in helping out, let the development team know by posting to the `developers' mailing list`_, and we'll help you get started.
+Another great way to start contributing is by writing tests. Tests are really important because they help prevent developers from accidentally breaking existing code, allowing them to build cool things faster. If you're interested in helping out, let the development team know by posting to the `Telegram group`_ (use `@admins` to mention the maintainers), and we'll help you get started.
 
-That being said, we want to mention that we are very hesistant about adding new requirements to our projects. If you intend to do this, please state this in an issue and get a verification from one of the maintainers.
+That being said, we want to mention that we are very hesitant about adding new requirements to our projects. If you intend to do this, please state this in an issue and get a verification from one of the maintainers.
 
 Instructions for making a code change
 #####################################
@@ -245,7 +245,7 @@ break the API classes. For example:
 
 .. _`Code of Conduct`: https://www.python.org/psf/codeofconduct/
 .. _`issue tracker`: https://github.com/python-telegram-bot/python-telegram-bot/issues
-.. _`developers' mailing list`: mailto:devs@python-telegram-bot.org
+.. _`Telegram group`: https://telegram.me/pythontelegrambotgroup
 .. _`PEP 8 Style Guide`: https://www.python.org/dev/peps/pep-0008/
 .. _`sphinx`: http://sphinx-doc.org
 .. _`Google Python Style Guide`: http://google.github.io/styleguide/pyguide.html
diff --git a/.github/stale.yml b/.github/stale.yml
index d4342e984..c23ac5bdf 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -1,5 +1,5 @@
 # Number of days of inactivity before an issue becomes stale
-daysUntilStale: 5
+daysUntilStale: 3
 # Number of days of inactivity before a stale issue is closed
 daysUntilClose: 2
 # Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)