fix: adjust wording

Co-authored-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: John Molakvoæ <skjnldsv@users.noreply.github.com>

Author: skjnldsv

developer_manual/getting_started/development_process.rst

@@ -50,7 +50,7 @@ Major releases that have already been published do not need necessarily need eve
 Here are some things to consider:
 
 - Any major release that has not reached end-of-life status usually receives these backported fixes.
-- Backporting even the simpliest changes has some level of risk.
+- Backporting even the simplest changes has some level of risk.
 - Differences among stable branches - including of shipped and third-pary apps - means there are additional variables outside of the main branch (or even versus the latest stable).
 - Fixes often do not have a lot of time in the field (< 4 weeks and it's possible no one has directly interacted with the new code outside of the original developer).