diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index 177a652..82b4418 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1,4 +1,4 @@
-*pattern.txt*   For Vim version 8.2.  Last change: 2020 Dec 25
+*pattern.txt*   For Vim version 8.2.  Last change: 2021 Jan 08
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1179,7 +1179,7 @@
 		\b	<BS>
 		\n	line break, see above |/[\n]|
 		\d123	decimal number of character
-		\o40	octal number of character up to 0377
+		\o40	octal number of character up to 0o377
 		\x20	hexadecimal number of character up to 0xff
 		\u20AC	hex. number of multibyte character up to 0xffff
 		\U1234	hex. number of multibyte character up to 0xffffffff
@@ -1217,7 +1217,8 @@
 \%d123	Matches the character specified with a decimal number.  Must be
 	followed by a non-digit.
 \%o40	Matches the character specified with an octal number up to 0377.
-	Numbers below 040 must be followed by a non-octal digit or a non-digit.
+	Numbers below 0o40 must be followed by a non-octal digit or a
+	non-digit.
 \%x2a	Matches the character specified with up to two hexadecimal characters.
 \%u20AC	Matches the character specified with up to four hexadecimal
 	characters.