[lc_ctrl] Fix nvm_debug_en discrepancy in DEV

Signed-off-by: Michael Schaffner <msf@opentitan.org>
diff --git a/doc/security/specs/device_life_cycle/_index.md b/doc/security/specs/device_life_cycle/_index.md
index 38712fd..fec6297 100644
--- a/doc/security/specs/device_life_cycle/_index.md
+++ b/doc/security/specs/device_life_cycle/_index.md
@@ -198,7 +198,7 @@
 During this state
 
   *   CPU execution is enabled
-  *   NVM backdoor functions are enabled
+  *   NVM backdoor functions are disabled
   *   Debug functions are enabled
   *   DFT functions are disabled
     </td>