internal/abi: fix typo in comment

Change-Id: I27ad7ce266edc255c93012b24b6f275dd1512dc2
GitHub-Last-Rev: d196b48
GitHub-Pull-Request: #65981
Reviewed-on: https://go-review.googlesource.com/c/go/+/567538
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

src/internal/abi/type.go

@@ -733,7 +733,7 @@ const (
 // The data is a stream of bytes, which contains the offsets and sizes of the
 // non-aggregate arguments or non-aggregate fields/elements of aggregate-typed
 // arguments, along with special "operators". Specifically,
-//   - for each non-aggrgate arg/field/element, its offset from FP (1 byte) and
+//   - for each non-aggregate arg/field/element, its offset from FP (1 byte) and
 //     size (1 byte)
 //   - special operators:
 //   - 0xff - end of sequence