Update runtime files
diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index 20fed55..c23fdb4 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1217,7 +1217,7 @@
\%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.
+\%o40 Matches the character specified with an octal number up to 0o377.
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.