diff --git a/specs/altair/fork.md b/specs/altair/fork.md
index 739da80a5..6228022b8 100644
--- a/specs/altair/fork.md
+++ b/specs/altair/fork.md
@@ -24,7 +24,7 @@ Warning: this configuration is not definitive.
 | Name | Value |
 | - | - |
 | `ALTAIR_FORK_VERSION` | `Version('0x01000000')` |
-| `ALTAIR_FORK_EPOCH` | `Epoch(74240)` (Oct 27, 2021, 10:56:23pm UTC) |
+| `ALTAIR_FORK_EPOCH` | `Epoch(74240)` (Oct 27, 2021, 10:56:23am UTC) |
 
 ## Fork to Altair