diff --git a/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.datapack.yaml b/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.datapack.yaml
index 3cdac3f..8d9aa7e 100644
--- a/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.datapack.yaml
+++ b/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.datapack.yaml
@@ -7,7 +7,7 @@ resources:
         format: FASTQ
         checksum: 1a5ac10ab42911dc0224172c118a326d9a4c03969112a2f3eb1ad971e96e92b8
         size: 12321
-        additional_information:
+        additional_information: # <-
           compression: false
     file_b:
       content:
@@ -15,7 +15,7 @@ resources:
         format: FASTQ
         checksum: 2b5ac10ab42911dc0224172c118a326d9a4c03969112a2f3eb1ad971e96e92c9
         size: 12314
-        additional_information:
+        additional_information: # <-
           compression: false
     file_c:
       content:
@@ -23,7 +23,7 @@ resources:
         format: FASTQ
         checksum: a9c24870071da03f78515e6197048f3a2172e90e597e9250cd01a0cb8f0986ed
         size: 12123
-        additional_information:
+        additional_information: # <-
           compression: false
   Dataset:
     dataset_1:
diff --git a/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.schemapack.yaml b/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.schemapack.yaml
index 3bfcd0d..10a8d5c 100644
--- a/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.schemapack.yaml
+++ b/tests/fixtures/example_transformations/add_content_properties/multiple/transformed.schemapack.yaml
@@ -1,10 +1,9 @@
-# a more advanced schemapack:
 schemapack: 0.3.0
 classes:
   File:
     id:
       propertyName: alias
-    content: { # <-
+    content: {
       "$schema": "http://json-schema.org/draft-07/schema#",
       "additionalProperties": false,
       "description": "A file is an object that contains information generated from a process, either an Experiment or an Analysis.",
@@ -21,7 +20,7 @@ classes:
         "size": {
           "type": "integer"
         },
-        "additional_information": {
+        "additional_information": { # <-
           "type": "object",
           "additionalProperties": false,
           "properties": {