diff --git a/core/boostrenderer.py b/core/boostrenderer.py
index 822d455f..d1b2236c 100644
--- a/core/boostrenderer.py
+++ b/core/boostrenderer.py
@@ -104,7 +104,7 @@ def get_content_from_s3(key=None, bucket_name=None):
 
 def get_content_type(s3_key, content_type):
     """In some cases, manually set the content-type for a given S3 key based on the
-    file extension. This is useful for files types that are not reognized by S3, or for
+    file extension. This is useful for files types that are not recognized by S3, or for
     cases where we want to override the default content-type.
 
     :param s3_key: The S3 key for the file
@@ -113,6 +113,9 @@ def get_content_type(s3_key, content_type):
     """
     if s3_key.endswith(".js"):
         content_type = "application/javascript"
+    # adoc files come back from S3 with a generic content type, so we manually set
+    # the content type to the (proposed) asciidoc content type:
+    # https://docs.asciidoctor.org/asciidoc/latest/faq/
     elif s3_key.endswith(".adoc"):
         content_type = "text/asciidoc"
     return content_type
diff --git a/core/tests/test_renderer.py b/core/tests/test_renderer.py
index 5bb1ca88..28113430 100644
--- a/core/tests/test_renderer.py
+++ b/core/tests/test_renderer.py
@@ -2,9 +2,17 @@ from ..boostrenderer import get_content_type, get_s3_keys
 
 
 def test_get_content_type():
+    # HTML file content type is text/html
     assert get_content_type("/marshmallow/index.html", "text/html"), "text/html"
+
+    # CSS file content type is text/css
     assert get_content_type("/rst.css", "text/css"), "text/css"
+
+    # Asciidoc content, which comes from S3 with an .adoc extension but not a useful 
+    # content type, should be changed to text/asciidoc
     assert get_content_type("/site/develop/help.adoc", "text/html"), "text/asciidoc"
+
+    # JS file content type is always set to application/javascript
     assert get_content_type(
         "/site/develop/doc/html/scripts.js", "text/html"
     ), "application/javascript"
diff --git a/docker-compose.yml b/docker-compose.yml
index 6599d960..fbaeef45 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -89,17 +89,9 @@ services:
       context: .
       dockerfile: docker/Dockerfile
     command:
-      [
-        "/bin/bash",
-        "-c",
-        "./wait-for-it.sh &&",
-        "celery",
-        "-A",
-        "config",
-        "worker",
-        "--concurrency=10",
-        "--loglevel=debug"
-      ]
+    - /bin/bash
+    - -c
+    - ./wait-for-it.sh && celery -A config worker --concurrency=10 --loglevel=debug
     networks:
       - backend
     env_file: