doc: fix typo
The document `doc/go_spec.html` uses "preceeding" instead of the word
"preceding" in one place.
Fixed another occurrence in `src/go/types/typexpr.go`.
Change-Id: Ic67f62026b5c9d002c5c5632299f14ecac8b02ae
Reviewed-on: https://go-review.googlesource.com/12354
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/doc/go_spec.html b/doc/go_spec.html
index cc01494..9f29989 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -2090,7 +2090,7 @@
</pre>
<p>
-The receiver is specified via an extra parameter section preceeding the method
+The receiver is specified via an extra parameter section preceding the method
name. That parameter section must declare a single parameter, the receiver.
Its type must be of the form <code>T</code> or <code>*T</code> (possibly using
parentheses) where <code>T</code> is a type name. The type denoted by <code>T</code> is called