diff --git a/src/reference/specs/spark-adapter.md b/src/reference/specs/spark-adapter.md
index ef9f65fe..5a32addc 100644
--- a/src/reference/specs/spark-adapter.md
+++ b/src/reference/specs/spark-adapter.md
@@ -109,7 +109,7 @@ class FloatArrayCodec(dj.Codec):
     name = "float_array"
 
     def get_dtype(self, is_store: bool) -> str:
-        return "longblob" if not is_store else "<hash@>"
+        return "longblob" if not is_store else "<hash>"
 
     def encode(self, value, *, key=None, store_name=None) -> bytes:
         return np.asarray(value, dtype=np.float64).tobytes()