diff --git a/docs/CaliptraIntegrationSpecification.md b/docs/CaliptraIntegrationSpecification.md
index eea8b7a20..1236e3730 100644
--- a/docs/CaliptraIntegrationSpecification.md
+++ b/docs/CaliptraIntegrationSpecification.md
@@ -182,7 +182,7 @@ Control registers and fuses are documented on GitHub.
 
 ## Fuses
 
-Fuses are writable only one time and require a cptra\_pwrgood to be recycled to be written again.
+Fuses may only be written during the BOOT_FUSE state of the Boot FSM and require a cptra\_pwrgood to be recycled to be written again.
 
 After all fuses are written, the fuse done register at the end of the fuse address space must be set to 1 to lock the fuse writes and to proceed with the boot flow.