diff --git a/src/ethereum/forks/bogota/transactions/frame_transaction.py b/src/ethereum/forks/bogota/transactions/frame_transaction.py
index 52f78f1242e..a55d081bcbf 100644
--- a/src/ethereum/forks/bogota/transactions/frame_transaction.py
+++ b/src/ethereum/forks/bogota/transactions/frame_transaction.py
@@ -91,10 +91,12 @@ class FrameMode(UintEnum, boundary=STRICT):
     """
     Indicates the purpose of a [`Frame`].
 
-    The strict boundary rejects values other than the modes defined here as
-    the enum is constructed — notably while decoding a transaction — so a
-    frame with an undefined mode never decodes and no separate validity
-    check is required.
+    The members below are the only valid modes. The strict boundary rejects
+    any other value as the enum is constructed — notably while decoding a
+    transaction — so a frame with an undefined mode never decodes and no
+    separate validity check is required. An EIP that extends frame
+    transactions with a new mode adds a member here; it does not change how
+    the existing members are checked.
 
     [`Frame`]: ref:ethereum.forks.bogota.transactions.frame_transaction.Frame
     """  # noqa: E501
diff --git a/tests/bogota/eip8141_frame_transactions/spec.py b/tests/bogota/eip8141_frame_transactions/spec.py
index 6541b949441..6051bc8a61b 100644
--- a/tests/bogota/eip8141_frame_transactions/spec.py
+++ b/tests/bogota/eip8141_frame_transactions/spec.py
@@ -14,7 +14,7 @@ class ReferenceSpec:
 
 
 ref_spec_8141 = ReferenceSpec(
-    "EIPS/eip-8141.md", "d0d1d86b67e65dc8e8bf504eb3b2f1e9198f8212"
+    "EIPS/eip-8141.md", "4e73f1e1f0fdc096d4810f33f0ee977132ecf145"
 )