diff --git a/fake_mounter.go b/fake_mounter.go
index 315bba6941f..d3a82f415c2 100644
--- a/fake_mounter.go
+++ b/fake_mounter.go
@@ -36,6 +36,7 @@ type FakeMounter struct {
 	UnmountFunc UnmountFunc
 }
 
+// UnmountFunc is a function callback to be executed during the Unmount() call.
 type UnmountFunc func(path string) error
 
 var _ Interface = &FakeMounter{}
@@ -55,6 +56,8 @@ type FakeAction struct {
 	FSType string // applies only to "mount" actions
 }
 
+// NewFakeMounter returns a FakeMounter struct that implements Interface and is
+// suitable for testing purposes.
 func NewFakeMounter(mps []MountPoint) *FakeMounter {
 	return &FakeMounter{
 		MountPoints: mps,
diff --git a/mount_helper_windows.go b/mount_helper_windows.go
index 5e6b1dd9adc..516f970d282 100644
--- a/mount_helper_windows.go
+++ b/mount_helper_windows.go
@@ -70,6 +70,9 @@ func IsCorruptedMnt(err error) bool {
 	return false
 }
 
+// NormalizeWindowsPath makes sure the given path is a valid path on Windows
+// systems by making sure all instances of `/` are replaced with `\\`, and the
+// path beings with `c:`
 func NormalizeWindowsPath(path string) string {
 	normalizedPath := strings.Replace(path, "/", "\\", -1)
 	if strings.HasPrefix(normalizedPath, "\\") {