sumdb/note: fix some typos

Change-Id: I5892e2a3bb32c70ea585987d70d02d95723eb9a7
GitHub-Last-Rev: 0991638c7a3c74909ecc0b6ccc8f47cc6a1c2467
GitHub-Pull-Request: golang/mod#11
Reviewed-on: https://go-review.googlesource.com/c/mod/+/428575
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>

sumdb/note/note_test.go

diff --git a/sumdb/note/note_test.go b/sumdb/note/note_test.go
index 04efaf2..2402471 100644
--- a/sumdb/note/note_test.go
+++ b/sumdb/note/note_test.go
@@ -100,12 +100,12 @@
 	}
 	sig[0]++
 	if verifier.Verify(msg, sig) {
-		t.Fatalf("verifier.Verify succceeded on corrupt signature")
+		t.Fatalf("verifier.Verify succeeded on corrupt signature")
 	}
 	sig[0]--
 	msg[0]++
 	if verifier.Verify(msg, sig) {
-		t.Fatalf("verifier.Verify succceeded on corrupt message")
+		t.Fatalf("verifier.Verify succeeded on corrupt message")
 	}
 }