diff --git a/bin/colcon b/bin/colcon
index f543142c..81228c57 100755
--- a/bin/colcon
+++ b/bin/colcon
@@ -105,6 +105,7 @@ custom_extension_points.update({
         # there is no point in registering the extension_point extensions here
         # since they can't be queried through pkg_resources without installing
     },
+    'colcon_core.output_style': {},
     'colcon_core.package_augmentation': {
         'python': PythonPackageAugmentation,
     },
diff --git a/test/spell_check.words b/test/spell_check.words
index cff552e9..1f3599a5 100644
--- a/test/spell_check.words
+++ b/test/spell_check.words
@@ -107,6 +107,7 @@ rindex
 rmtree
 rstrip
 rtype
+runpy
 samefile
 scspell
 sdist
@@ -126,6 +127,7 @@ staticmethod
 stdeb
 stringify
 stylizer
+stylizers
 subparser
 subparsers
 subprocesses