diff --git a/caddyconfig/caddyfile/formatter.go b/caddyconfig/caddyfile/formatter.go
index 3981cd69..82581a3d 100644
--- a/caddyconfig/caddyfile/formatter.go
+++ b/caddyconfig/caddyfile/formatter.go
@@ -153,7 +153,7 @@ func Format(input []byte) []byte {
 			openBraceWritten = true
 			nextLine()
 			newLines = 0
-			// prevent infinite nesting from ridiculous inputs (issue #4175)
+			// prevent infinite nesting from ridiculous inputs (issue #4169)
 			if nesting < 10 {
 				nesting++
 			}