diff --git a/platform.go b/platform.go
index 25053be..0bbccae 100644
--- a/platform.go
+++ b/platform.go
@@ -23,29 +23,47 @@ func (p *Platform) String() string {
 }
 
 /// Like `uname -s`
+// Matches https://github.com/golang/go/blob/master/src/go/build/syslist.go
 func (p *Platform) OSUname() string {
 	return map[string]string{
+		//"android":
 		"darwin":    "Darwin",
 		"dragonfly": "DragonFly",
 		"freebsd":   "FreeBSD",
 		"linux":     "Linux",
+		//"nacl":
 		"netbsd":    "NetBSD",
 		"openbsd":   "OpenBSD",
 		"plan9":     "Plan9",
 		"solaris":   "SunOS",
 		"windows":   "Windows",
+		//"zos":
 	}[p.OS]
 }
 
 /// Like `uname -m`
+// Matches https://github.com/golang/go/blob/master/src/go/build/syslist.go
 func (p *Platform) ArchUname() string {
 	return map[string]string{
 		"386":     "i386",
 		"amd64":   "x86_64",
+		//"amd64p32":
 		"arm":     "arm",
+		//"armbe":
 		"arm64":   "aarch64",
+		//"arm64be":
 		"ppc64":   "ppc64",
 		"ppc64le": "ppc64le",
+		//"mips":
+		//"mipsle":
+		//"mips64":
+		//"mips64p32":
+		//"mips64p32le":
+		//"ppc":
+		//"s390":
+		//"s390x":
+		//"sparc":
+		//"sparc64":
 	}[p.Arch]
 }