tour: fix typo
Fixes golang/go#13951
Change-Id: I5c830371f987c114f37344d00a68f4b0735f47eb
Reviewed-on: https://go-review.googlesource.com/18670
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/content/methods.article b/content/methods.article
index ec99b7e..67c381e 100644
--- a/content/methods.article
+++ b/content/methods.article
@@ -134,7 +134,7 @@
In this example, both `Scale` and `Abs` are with receiver type `*Vertex`,
even though the `Abs` method needn't modify its receiver.
-In general, all methods on a given type to should have either value or pointer
+In general, all methods on a given type should have either value or pointer
receivers, but not a mixture of both.
(We'll see why over the next few pages.)
