Update memx.go

Author: flowerinthenight

memx.go

@@ -8,9 +8,7 @@ import (
 	"strings"
 )
 
-// GetMemoryUsage returns the calling process' internal + shared
-// memory usage in kB. Linux-specific as it reads /proc/.
-// Ref: https://en.wikipedia.org/wiki/Proportional_set_size
+// GetMemoryUsage returns the calling process' internal + shared memory usage in kB.
 func GetMemoryUsage() (uint64, error) {
 	f, err := os.Open(fmt.Sprintf("/proc/%d/smaps", os.Getpid()))
 	if err != nil {