diff --git a/data/langdb.yaml b/data/langdb.yaml
index 89e2666..1614f2b 100644
--- a/data/langdb.yaml
+++ b/data/langdb.yaml
@@ -16,7 +16,7 @@ languages:
   ak: [Latn, [AF], Akan]
   akz: [Latn, [AM], Albaamo innaaɬiilka]
   aln: [Latn, [EU], Gegë]
-  alt: [Cyrl, [EU, AS], тÿштÿк алтай]
+  alt: [Cyrl, [EU, AS], алтай тил]
   am: [Ethi, [AF], አማርኛ]
   ami: [Latn, [AS], Pangcah]
   an: [Latn, [EU], aragonés]
@@ -36,7 +36,7 @@ languages:
   ase: [Sgnw, [AM], American sign language]
   ast: [Latn, [EU], asturianu]
   atj: [Latn, [AM], atikamekw]
-  atv: [Cyrl, [EU, AS], тÿндÿк алтай]
+  atv: [Cyrl, [EU, AS], тÿндÿк алтай тил]
   av: [Cyrl, [EU], авар]
   avk: [Latn, [WW], Kotava]
   awa: [Deva, [AS], अवधी]
diff --git a/data/language-data.json b/data/language-data.json
index 4f06219..cf18d6c 100644
--- a/data/language-data.json
+++ b/data/language-data.json
@@ -120,7 +120,7 @@
                 "EU",
                 "AS"
             ],
-            "тÿштÿк алтай"
+            "алтай тил"
         ],
         "am": [
             "Ethi",
@@ -262,7 +262,7 @@
                 "EU",
                 "AS"
             ],
-            "тÿндÿк алтай"
+            "тÿндÿк алтай тил"
         ],
         "av": [
             "Cyrl",