diff --git a/godoc/dl/dl.go b/godoc/dl/dl.go
index abff3275..b4230b61 100644
--- a/godoc/dl/dl.go
+++ b/godoc/dl/dl.go
@@ -151,7 +151,7 @@ type Feature struct {
 	File
 	fileRE *regexp.Regexp
 
-	Platform     string // "Microsoft Windows", "Mac OS X", "Linux"
+	Platform     string // "Microsoft Windows", "Apple macOS", "Linux"
 	Requirements string // "Windows XP and above, 64-bit Intel Processor"
 }
 
@@ -160,12 +160,12 @@ type Feature struct {
 var featuredFiles = []Feature{
 	{
 		Platform:     "Microsoft Windows",
-		Requirements: "Windows XP or later, Intel 64-bit processor",
+		Requirements: "Windows XP SP2 or later, Intel 64-bit processor",
 		fileRE:       regexp.MustCompile(`\.windows-amd64\.msi$`),
 	},
 	{
-		Platform:     "Apple OS X",
-		Requirements: "OS X 10.8 or later, Intel 64-bit processor",
+		Platform:     "Apple macOS",
+		Requirements: "macOS 10.8 or later, Intel 64-bit processor",
 		fileRE:       regexp.MustCompile(`\.darwin-amd64(-osx10\.8)?\.pkg$`),
 	},
 	{
@@ -486,7 +486,7 @@ func pretty(s string) string {
 }
 
 var prettyStrings = map[string]string{
-	"darwin":  "OS X",
+	"darwin":  "macOS",
 	"freebsd": "FreeBSD",
 	"linux":   "Linux",
 	"windows": "Windows",