runtime: fix typo in comment

Change-Id: I85f518e36c18f4f0eda8b167750b43cd8c48ecff
Reviewed-on: https://go-review.googlesource.com/c/go/+/622675
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

diff --git a/src/runtime/mheap.go b/src/runtime/mheap.go
index 7e6c284423b6f8e8b56a852176f929e9435c721f..775e9dee8d39a766060875f1efb5a36892801b7f 100644 (file)
--- a/src/runtime/mheap.go
+++ b/src/runtime/mheap.go
@@ -431,12 +431,12 @@ type mspan struct {
        // indicating a free object. freeindex is then adjusted so that subsequent scans begin
        // just past the newly discovered free object.
        //
-       // If freeindex == nelem, this span has no free objects.
+       // If freeindex == nelems, this span has no free objects.
        //
        // allocBits is a bitmap of objects in this span.
        // If n >= freeindex and allocBits[n/8] & (1<<(n%8)) is 0
        // then object n is free;
-       // otherwise, object n is allocated. Bits starting at nelem are
+       // otherwise, object n is allocated. Bits starting at nelems are
        // undefined and should never be referenced.
        //
        // Object n starts at address n*elemsize + (start << pageShift).