diff --git a/README.md b/README.md
index e06c1f4..1f47077 100644
--- a/README.md
+++ b/README.md
@@ -147,8 +147,8 @@ You'll find in `/bin` a `po2json.js` converter, based on the excellent
 ```json
 {
     "": {
-        "lang": "en",
-        "plural_forms": "nplurals=2; plural=(n!=1);"
+        "language": "en",
+        "plural-forms": "nplurals=2; plural=(n!=1);"
     },
     "simple key": "It's tranlation",
     "another with %1 parameter": "It's %1 tranlsation",
diff --git a/bin/po2json b/bin/po2json
index 6cc9a17..83e4ef1 100755
--- a/bin/po2json
+++ b/bin/po2json
@@ -8,8 +8,8 @@
 
   {
     "": {
-        "lang": "en",
-        "plural_forms": "nplurals=2; plural=(n!=1);"
+        "language": "en",
+        "plural-forms": "nplurals=2; plural=(n!=1);"
     },
     "simple key": "It's tranlation",
     "another with %1 parameter": "It's %1 tranlsation",