diff --git a/gdcdictionary/schemas/diagnostic_test.yaml b/gdcdictionary/schemas/diagnostic_test.yaml
index 4623bb6d9..ce6d85391 100644
--- a/gdcdictionary/schemas/diagnostic_test.yaml
+++ b/gdcdictionary/schemas/diagnostic_test.yaml
@@ -411,7 +411,7 @@ properties:
       - "Urine"
 
   test_sample_composition_other:
-    desciption: >
+    description: >
       If 'Other (specify)' was chosen for 'test_sample_composition', enter a description of the sample used for the test here
     type: string