diff --git a/internal/task/dlcl.go b/internal/task/dlcl.go
index 2f4d2b3..a4d8c50 100644
--- a/internal/task/dlcl.go
+++ b/internal/task/dlcl.go
@@ -29,7 +29,7 @@
 // 	• "go1.18beta1" or "go1.18rc1" for a pre-release
 //
 // Credentials are fetched from Secret Manager.
-// On success, the URL of the change is returned, like "https://golang.org/cl/123".
+// On success, the URL of the change is returned, like "https://go.dev/cl/123".
 func MailDLCL(ctx context.Context, versions []string) (changeURL string, _ error) {
 	if len(versions) < 1 || len(versions) > 2 {
 		return "", fmt.Errorf("got %d Go versions, want 1 or 2", len(versions))
@@ -52,7 +52,7 @@
 			Version             string // "go1.5.3rc2"
 			VersionNoPatch      string // "go1.5"
 			CapitalSpaceVersion string // "Go 1.5"
-			DocHost             string // "golang.org" or "tip.golang.org" for rc/beta
+			DocHost             string // "go.dev" or "tip.golang.org" for rc/beta
 		}{
 			Year:                time.Now().UTC().Year(),
 			Version:             ver,
@@ -93,7 +93,7 @@
 	if err != nil {
 		return "", err
 	}
-	return fmt.Sprintf("https://golang.org/cl/%d", ci.ChangeNumber), nil
+	return fmt.Sprintf("https://go.dev/cl/%d", ci.ChangeNumber), nil
 }
 
 func verifyGoVersions(versions ...string) error {
@@ -113,7 +113,7 @@
 	if strings.Contains(ver, "rc") || strings.Contains(ver, "beta") {
 		return "tip.golang.org"
 	}
-	return "golang.org"
+	return "go.dev"
 }
 
 func versionNoPatch(ver string) (string, error) {
@@ -123,7 +123,7 @@
 		return "", fmt.Errorf("unrecognized version %q", ver)
 	}
 	if m[2] != "" {
-		return "devel/release.html#" + m[1] + ".minor", nil
+		return "devel/release#" + m[1] + ".minor", nil
 	}
 	return m[1], nil
 }
@@ -142,9 +142,9 @@
 // And then use the {{.Version}} command as if it were your normal go
 // command.
 //
-// See the release notes at https://{{.DocHost}}/doc/{{.VersionNoPatch}}
+// See the release notes at https://{{.DocHost}}/doc/{{.VersionNoPatch}}.
 //
-// File bugs at https://golang.org/issues/new
+// File bugs at https://go.dev/issue/new.
 package main
 
 import "golang.org/dl/internal/version"
diff --git a/internal/task/tweet.go b/internal/task/tweet.go
index ea72826..8f04d50 100644
--- a/internal/task/tweet.go
+++ b/internal/task/tweet.go
@@ -246,7 +246,7 @@
 
 {{emoji "announce"}} Announcement: {{.Announcement}}
 
-{{emoji "download"}} Download: https://golang.org/dl/#{{.Version}}
+{{emoji "download"}} Download: https://go.dev/dl/#{{.Version}}
 
 #golang{{end}}
 
@@ -256,11 +256,11 @@
 
 {{with .Security}}{{emoji "security"}} Security: {{.}}{{"\n\n"}}{{end -}}
 
-{{emoji "try"}} Try it! File bugs! https://golang.org/issue/new
+{{emoji "try"}} Try it! File bugs! https://go.dev/issue/new
 
 {{emoji "announce"}} Announcement: {{.Announcement}}
 
-{{emoji "download"}} Download: https://golang.org/dl/#{{.Version}}
+{{emoji "download"}} Download: https://go.dev/dl/#{{.Version}}
 
 #golang{{end}}
 
@@ -270,11 +270,11 @@
 
 {{with .Security}}{{emoji "security"}} Security: {{.}}{{"\n\n"}}{{end -}}
 
-{{emoji "run"}} Run it in dev! Run it in prod! File bugs! https://golang.org/issue/new
+{{emoji "run"}} Run it in dev! Run it in prod! File bugs! https://go.dev/issue/new
 
 {{emoji "announce"}} Announcement: {{.Announcement}}
 
-{{emoji "download"}} Download: https://golang.org/dl/#{{.Version}}
+{{emoji "download"}} Download: https://go.dev/dl/#{{.Version}}
 
 #golang{{end}}
 
@@ -284,9 +284,9 @@
 
 {{with .Security}}{{emoji "security"}} Security: {{.}}{{"\n\n"}}{{end -}}
 
-{{emoji "notes"}} Release notes: https://golang.org/doc/{{.Version}}
+{{emoji "notes"}} Release notes: https://go.dev/doc/{{.Version}}
 
-{{emoji "download"}} Download: https://golang.org/dl/#{{.Version}}
+{{emoji "download"}} Download: https://go.dev/dl/#{{.Version}}
 
 #golang{{end}}`
 
@@ -359,7 +359,7 @@
 // tweet for goVersion. It returns the image encoded as PNG,
 // and the text displayed in the image.
 //
-// tweetImage makes an HTTP GET request to the golang.org/dl/?mode=json
+// tweetImage makes an HTTP GET request to the go.dev/dl/?mode=json
 // read-only API to select a random release archive to highlight.
 func tweetImage(goVersion string, rnd *rand.Rand) (imagePNG []byte, imageText string, _ error) {
 	a, err := fetchRandomArchive(goVersion, rnd)
@@ -423,7 +423,7 @@
 }
 
 func fetchReleaseArchives(goVer string) (archives []golangorgDLFile, _ error) {
-	url := "https://golang.org/dl/?mode=json"
+	url := "https://go.dev/dl/?mode=json"
 	if strings.Contains(goVer, "beta") || strings.Contains(goVer, "rc") ||
 		goVer == "go1.17" || goVer == "go1.17.1" /* For TestTweetRelease. */ {
 
@@ -464,13 +464,13 @@
 	return nil, fmt.Errorf("release version %q not found", goVer)
 }
 
-// golangorgDLRelease represents a release on the golang.org downloads page.
+// golangorgDLRelease represents a release on the go.dev downloads page.
 type golangorgDLRelease struct {
 	Version string
 	Files   []golangorgDLFile
 }
 
-// golangorgDLFile represents a file on the golang.org downloads page.
+// golangorgDLFile represents a file on the go.dev downloads page.
 // It should be kept in sync with code in x/build/cmd/release and x/website/internal/dl.
 type golangorgDLFile struct {
 	Filename string
@@ -570,7 +570,7 @@
 var (
 	// gopherBlue is the Gopher Blue primary color from the Go color palette.
 	//
-	// Reference: https://golang.org/s/brandbook.
+	// Reference: https://go.dev/s/brandbook.
 	gopherBlue = color.NRGBA{0, 173, 216, 255} // #00add8.
 
 	// terminalColor is the color used as the terminal color.
diff --git a/internal/task/tweet_test.go b/internal/task/tweet_test.go
index 590b2e0..68bbdf1 100644
--- a/internal/task/tweet_test.go
+++ b/internal/task/tweet_test.go
@@ -21,7 +21,7 @@
 		// This test is useful when modifying the tweet text and image templates,
 		// but don't run it in -short mode since tweetImage involves making some
 		// HTTP GET requests to the internet.
-		t.Skip("skipping test that hits golang.org/dl/?mode=json read-only API in -short mode")
+		t.Skip("skipping test that hits go.dev/dl/?mode=json read-only API in -short mode")
 	}
 
 	tests := [...]struct {
@@ -47,7 +47,7 @@
 
 📢 Announcement: https://groups.google.com/g/golang-announce/c/dx9d7IOseHw/m/KNH37k37AAAJ
 
-⬇️ Download: https://golang.org/dl/#go1.17.1
+⬇️ Download: https://go.dev/dl/#go1.17.1
 
 #golang
 tweet image:
@@ -72,11 +72,11 @@
 			wantLog: `tweet text:
 ⚡️ Go 1.17 Beta 1 is released!
 
-⚙️ Try it! File bugs! https://golang.org/issue/new
+⚙️ Try it! File bugs! https://go.dev/issue/new
 
 🗣 Announcement: https://groups.google.com/g/golang-announce/c/i4EliPDV9Ok/m/MxA-nj53AAAJ
 
-📦 Download: https://golang.org/dl/#go1.17beta1
+📦 Download: https://go.dev/dl/#go1.17beta1
 
 #golang
 tweet image:
@@ -101,11 +101,11 @@
 			wantLog: `tweet text:
 🎉 Go 1.17 Release Candidate 2 is released!
 
-🏖 Run it in dev! Run it in prod! File bugs! https://golang.org/issue/new
+🏖 Run it in dev! Run it in prod! File bugs! https://go.dev/issue/new
 
 🔈 Announcement: https://groups.google.com/g/golang-announce/c/yk30ovJGXWY/m/p9uUnKbbBQAJ
 
-📦 Download: https://golang.org/dl/#go1.17rc2
+📦 Download: https://go.dev/dl/#go1.17rc2
 
 #golang
 tweet image:
@@ -132,9 +132,9 @@
 
 🔐 Security: Includes a super duper security fix (CVE-123).
 
-📝 Release notes: https://golang.org/doc/go1.17
+📝 Release notes: https://go.dev/doc/go1.17
 
-📦 Download: https://golang.org/dl/#go1.17
+📦 Download: https://go.dev/dl/#go1.17
 
 #golang
 tweet image:
@@ -163,7 +163,7 @@
 				t.Errorf("unexpected tweetURL: got = %q, want %q", got, want)
 			}
 			if got, want := buf.String(), tc.wantLog; got != want {
-				t.Errorf("unexpected log: got = %q, want %q", got, want)
+				t.Errorf("unexpected log:\n got: %q\nwant: %q", got, want)
 			}
 		})
 	}