limine: Fix typo
diff --git a/PROTOCOL.md b/PROTOCOL.md
index e2b3a199..25149f92 100644
--- a/PROTOCOL.md
+++ b/PROTOCOL.md
@@ -25,7 +25,7 @@ The Limine protocol does not enforce any specific executable format, but
kernels using formats not supported by the bootloader, or using flat binaries,
*must* provide a Executable Layout Feature (see below).
-Compliant bootloader must support at least the ELF 64-bit executable format.
+Compliant bootloaders must support at least the ELF 64-bit executable format.
## Features
