diff --git a/src/console.asm b/src/console.asm
index 28902b3..b15bafb 100644
--- a/src/console.asm
+++ b/src/console.asm
@@ -68,6 +68,7 @@ puts:
 ;	%x	Unsigned integer, printed as hexadecimal number (lowercase)
 ;	%X	Unsigned integer, printed as hexadecimal number (uppercase)
 ;	%b	Unsigned integer, printed as binary number
+;	%o	Unsigned integer, printed as octal number
 ;	%s	String
 ;	%N*	Pad left, N chars (maximum 64). Supported *: d, i, u, x, X, b
 ;	*0N*	Pad left with zeroes, N chars (maximum 64). Supported *: d, i, u, x, X, b