all: Fix minor typos

hugofs/filter_fs.go

@@ -276,7 +276,7 @@ func (f *filterDir) Readdirnames(count int) ([]string, error) {
 }
 
 // Try to extract the language from the given filename.
-// Any valid language identificator in the name will win over the
+// Any valid language identifier in the name will win over the
 // language set on the file system, e.g. "mypost.en.md".
 func langInfoFrom(languages map[string]int, name string) (string, string, string) {
 	var lang string

hugofs/nosymlink_test.go

@@ -135,7 +135,7 @@ func TestNoSymlinkFs(t *testing.T) {
 			// Check readdir
 			f, err = fs.Open(workDir)
 			c.Assert(err, qt.IsNil)
-			// There is at least one unsported symlink inside workDir
+			// There is at least one unsupported symlink inside workDir
 			_, err = f.Readdir(-1)
 			c.Assert(err, qt.IsNil)
 			f.Close()

hugofs/rootmapping_fs_test.go

@@ -270,7 +270,7 @@ func TestRootMappingFsMount(t *testing.T) {
 	c.Assert(err, qt.IsNil)
 	c.Assert(string(b), qt.Equals, "some no content")
 
-	// Ambigous
+	// Ambiguous
 	_, err = rfs.Stat(filepath.FromSlash("content/singles/p1.md"))
 	c.Assert(err, qt.Not(qt.IsNil))