diff --git a/src/schema/rules/sidecars/pet.yaml b/src/schema/rules/sidecars/pet.yaml
index 9aa214b833..d3dd1bf406 100644
--- a/src/schema/rules/sidecars/pet.yaml
+++ b/src/schema/rules/sidecars/pet.yaml
@@ -257,20 +257,20 @@ BloodMetaboliteMethod:
 
 # PET task information
 PETTask:
-    selectors:
+  selectors:
     - modality == "pet"
     - '"task" in entities'
-    fields:
-        TaskName:
-            level: recommended
-            description_addendum: |
-                If used to denote resting scans, a RECOMMENDED convention is to use labels
-                beginning with `rest`.
-        Instructions:
-            level: recommended
-            description_addendum: |
-                This is especially important in context of resting state recordings
-                and distinguishing between eyes open and eyes closed paradigms.
-        TaskDescription: recommended
-        CogAtlasID: recommended
-        CogPOID: recommended
+  fields:
+    TaskName:
+      level: recommended
+      description_addendum: |
+        If used to denote resting scans, a RECOMMENDED convention is to use labels
+        beginning with `rest`.
+    Instructions:
+      level: recommended
+      description_addendum: |
+        This is especially important in context of resting state recordings
+        and distinguishing between eyes open and eyes closed paradigms.
+    TaskDescription: recommended
+    CogAtlasID: recommended
+    CogPOID: recommended