update docs

miku · Jul 7, 2021 · 8360799 · 8360799
1 parent 3b661a7
commit 8360799
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/langutil.go b/langutil.go
@@ -11,8 +11,9 @@ func DetectLang3(text string) (string, error) {
 	return whatlanggo.LangToString(whatlanggo.Detect(text).Lang), nil
 }
 
-// LanguageIdentifier returns the three letter identifier from any string.
-// All data from http://www-01.sil.org/iso639-3/codes.asp.
+// LanguageIdentifier returns the three letter identifier from a variety of
+// language name notations. Returns the empty string, if nothing matches. All
+// data from http://www-01.sil.org/iso639-3/codes.asp.
 func LanguageIdentifier(s string) string {
 	s = strings.TrimSpace(s)
 	switch len(s) {