diff --git a/atomic_red_team/spec.yaml b/atomic_red_team/spec.yaml
index f480241f..8ced2ae0 100644
--- a/atomic_red_team/spec.yaml
+++ b/atomic_red_team/spec.yaml
@@ -46,8 +46,6 @@ atomic_tests:
   # supported platforms is an array of the OS/platforms this atomic test can be run upon. Values include:
   # - windows
   # - macos
-  # - centos
-  # - ubuntu
   # - linux
   supported_platforms:
     - windows
@@ -125,7 +123,7 @@ atomic_tests:
   #           echo "attack starting"
   #           echo "running command 1: this is the value of the FOOBAR input_argument: #{FOOBAR}"
   #
-  #   - `manual` : a list of manual steps to run. This is most often used when GUI steps are involved that
+  #   - `manual` : a list of manual steps to run. This should only be used when required, for example when GUI steps are involved that
   #              cannot be automated.
   #
   #       Requires the `steps` option that tells the user what to do to invoke the test. This is a