Prepare v2023.10-rc4

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/doc/develop/release_cycle.rst b/doc/develop/release_cycle.rst
index 50d33df..346cf29 100644
--- a/doc/develop/release_cycle.rst
+++ b/doc/develop/release_cycle.rst
@@ -70,7 +70,7 @@
 
 * U-Boot v2023.10-rc3 was released on Mon 21 August 2023.
 
-.. * U-Boot v2023.10-rc4 was released on Mon 04 September 2023.
+* U-Boot v2023.10-rc4 was released on Mon 04 September 2023.
 
 .. * U-Boot v2023.10-rc5 was released on Mon 18 September 2023.