diff --git a/.github/labeler.yml b/.github/labeler.yml
index 49cedf42..17a225e3 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -7,6 +7,8 @@
 # Note: Verify that the label you want to use is defined in the
 # crazy-max/ghaction-github-labeler configuration file located at
 # .github/labels.yml.
+
+# Enable if Ansible playbooks are used in the repository.
 ansible:
   - changed-files:
       - any-glob-to-any-file:
@@ -21,6 +23,13 @@ dependencies:
           - packer/packer.pkr.hcl
           - requirements*.txt
           - terraform/.terraform.lock.hcl
+# Enable if Docker is used in the repository.
+# docker:
+#   - changed-files:
+#       - any-glob-to-any-file:
+#           - "**/compose*.yml"
+#           - "**/docker-compose*.yml"
+#           - "**/Dockerfile*"
 documentation:
   - changed-files:
       - any-glob-to-any-file:
@@ -29,14 +38,17 @@ github-actions:
   - changed-files:
       - any-glob-to-any-file:
           - .github/workflows/**
+# Enable if Packer is used in the repository.
 packer:
   - changed-files:
       - any-glob-to-any-file:
           - "**/*.pkr.hcl"
+# Enable if Python is used in the repository.
 python:
   - changed-files:
       - any-glob-to-any-file:
           - "**/*.py"
+# Enable if Terraform is used in the repository.
 terraform:
   - changed-files:
       - any-glob-to-any-file:
diff --git a/.github/labels.yml b/.github/labels.yml
index a462e0e4..b1311aff 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -20,6 +20,9 @@
 - color: 0366d6
   description: Pull requests that update a dependency file
   name: dependencies
+- color: 2497ed
+  description: Pull requests that update Docker code
+  name: docker
 - color: 5319e7
   description: This issue or pull request improves or adds to documentation
   name: documentation