internal/web: fix typos in comments

Change-Id: I705e7f626e31cc42dbfa92a744195268beb5882f
Reviewed-on: https://go-review.googlesource.com/c/website/+/622155
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

internal/web/page.go

diff --git a/internal/web/page.go b/internal/web/page.go
index 1527da6..630d932 100644
--- a/internal/web/page.go
+++ b/internal/web/page.go
@@ -128,7 +128,7 @@
 
 // parseMeta extracts top-of-file metadata from the file contents b.
 // If there is no metadata, parseMeta returns Page{}, b, nil.
-// Otherwise, the metdata is extracted, and parseMeta returns
+// Otherwise, the metadata is extracted, and parseMeta returns
 // the metadata and the remainder of the file.
 // The end of the metadata is overwritten in b to preserve
 // the correct number of newlines so that the line numbers in tail

internal/webtest/webtest.go

diff --git a/internal/webtest/webtest.go b/internal/webtest/webtest.go
index 12222fb..2b27527 100644
--- a/internal/webtest/webtest.go
+++ b/internal/webtest/webtest.go
@@ -164,7 +164,7 @@
 )
 
 // HandlerWithCheck returns an http.Handler that responds to each request
-// by running the test script files mached by glob against the handler h.
+// by running the test script files matched by glob against the handler h.
 // If the tests pass, the returned http.Handler responds with status code 200.
 // If they fail, it prints the details and responds with status code 503
 // (service unavailable).