diff --git a/src/regexp/regexp.go b/src/regexp/regexp.go
index 462f235b1bb12f..4c43a5f81c26a0 100644
--- a/src/regexp/regexp.go
+++ b/src/regexp/regexp.go
@@ -6,8 +6,6 @@
 //
 // The syntax of the regular expressions accepted is the same
 // general syntax used by Perl, Python, and other languages.
-// More precisely, it is the syntax accepted by RE2 and described at
-// https://golang.org/s/re2syntax, except for \C.
 // For an overview of the syntax, see the [regexp/syntax] package.
 //
 // The regexp implementation provided by this package is