diff --git a/src/runtime/mbitmap.go b/src/runtime/mbitmap.go
index d454949926..1050a60468 100644
--- a/src/runtime/mbitmap.go
+++ b/src/runtime/mbitmap.go
@@ -477,12 +477,14 @@ func (h heapBits) next() (heapBits, uintptr) {
 // nextFast is like next, but can return 0 even when there are more pointers
 // to be found. Callers should call next if nextFast returns 0 as its second
 // return value.
-//     if addr, h = h.nextFast(); addr == 0 {
-//         if addr, h = h.next(); addr == 0 {
-//             ... no more pointers ...
-//         }
-//     }
-//     ... process pointer at addr ...
+//
+//	if addr, h = h.nextFast(); addr == 0 {
+//	    if addr, h = h.next(); addr == 0 {
+//	        ... no more pointers ...
+//	    }
+//	}
+//	... process pointer at addr ...
+//
 // nextFast is designed to be inlineable.
 //
 //go:nosplit