diff --git a/chapters/about.md b/chapters/about.md
index 39cb186db2e73cacb27c2e52c51ca87decad3764..7f2fc6fbcbb0b274c5841680e45f0226e80e895c 100644
--- a/chapters/about.md
+++ b/chapters/about.md
@@ -17,4 +17,4 @@ contribute!\
 \
 **Status**: This document is a living document and will be extended as soon as the Software Quality Working Group has
 agreed upon a new standard for software projects in RDD.
-TODOs and addenda of this document are maintained [here](https://github.com/subugoe/rdd-technical-reference/issues/).
\ No newline at end of file
+TODOs and addenda of this document are maintained [here](https://github.com/subugoe/rdd-technical-reference/issues/).
diff --git a/chapters/explanatory-notes.md b/chapters/explanatory-notes.md
index b8543d40bf044bd897a78f88f1a9bd1ae9d08dbe..c8a6b3aecf9e886c3d16aa9ca7a69463e43a767f 100644
--- a/chapters/explanatory-notes.md
+++ b/chapters/explanatory-notes.md
@@ -7,4 +7,4 @@ metric which suits our needs. [CESSDA](https://www.cessda.eu/) is one of the ERI
 Sciences it has similar requirements regarding its software.
 
 Throughout the document you will find sections with the heading "CESSDA's Software Maturity Levels in RDD" in which we
-describe which of the SMLs we aim for and how we want to implement it.
\ No newline at end of file
+describe which of the SMLs we aim for and how we want to implement it.
diff --git a/chapters/links.md b/chapters/links.md
index 1edbd2dda3691ae22fb5b91433d26b93c5db2c9d..2b67c35b06e9d6f032e95904d43dc6efb4b1813a 100644
--- a/chapters/links.md
+++ b/chapters/links.md
@@ -20,4 +20,4 @@
 <http://softwaretestingfundamentals.com/software-testing-levels>
 
 - Netherlands eScience Center Guide\
-<https://guide.esciencecenter.nl>
\ No newline at end of file
+<https://guide.esciencecenter.nl>
diff --git a/chapters/retirement.md b/chapters/retirement.md
index eae8b33d511f8e91d165cb3df5237a38f7318bbf..b3542c5f1db3779bd385327dcf2a18cebd239838 100644
--- a/chapters/retirement.md
+++ b/chapters/retirement.md
@@ -1,4 +1,4 @@
 
 ## Retirement of Software
 
-- clarify if software is no longer supported
\ No newline at end of file
+- clarify if software is no longer supported