diff --git a/locale.go b/locale.go
index 1abc963..26a1a17 100644
--- a/locale.go
+++ b/locale.go
@@ -31,6 +31,7 @@ Example:
         // Translate text from domain
         println(l.GetD("extras", "Translate this"))
     }
+
 */
 type Locale struct {
 	// Path to locale files.
diff --git a/po.go b/po.go
index b918bf6..fd96f23 100644
--- a/po.go
+++ b/po.go
@@ -44,6 +44,8 @@ func (t *translation) getN(n int) string {
 
 /*
 Po parses the content of any PO file and provides all the translation functions needed.
+It's the base object used by all packafe methods. 
+And it's safe for concurrent use by multiple goroutines by using the sync package for write locking. 
 
 Example:
 
@@ -59,6 +61,7 @@ Example:
         // Get translation
         println(po.Get("Translate this"))
     }
+
 */
 type Po struct {
 	// Storage