diff --git a/_data/languages.json b/_data/languages.json
index 31427836..5acbbb81 100644
--- a/_data/languages.json
+++ b/_data/languages.json
@@ -5916,7 +5916,6 @@
             "ton"
         ],
         "names": [
-            "Tonga",
             "Tongan"
         ],
         "family": [
diff --git a/apis/alibaba.md b/apis/alibaba.md
index 1ee51c90..0b3ac623 100644
--- a/apis/alibaba.md
+++ b/apis/alibaba.md
@@ -1130,11 +1130,11 @@ supported_languages:
   base_code: tlh
   name: Klingon
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: toi
   code: toi
diff --git a/apis/google.md b/apis/google.md
index 4a0203ee..632ce89b 100644
--- a/apis/google.md
+++ b/apis/google.md
@@ -1313,11 +1313,11 @@ supported_languages:
   base_code: tn
   name: Tswana
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: tok-pisin
   code: tpi
diff --git a/apis/iconic.md b/apis/iconic.md
index 3ba072d6..4d4a0882 100644
--- a/apis/iconic.md
+++ b/apis/iconic.md
@@ -284,11 +284,11 @@ supported_languages:
   base_code: th
   name: Thai
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: turkish
   code: tr
diff --git a/apis/iptranslator.md b/apis/iptranslator.md
index 097fcc63..5118f66f 100644
--- a/apis/iptranslator.md
+++ b/apis/iptranslator.md
@@ -284,11 +284,11 @@ supported_languages:
   base_code: th
   name: Thai
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: turkish
   code: tr
diff --git a/apis/microsoft.md b/apis/microsoft.md
index 7b113c71..17aba039 100644
--- a/apis/microsoft.md
+++ b/apis/microsoft.md
@@ -598,11 +598,11 @@ supported_languages:
   base_code: tlh
   name: Klingon
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: turkish
   code: tr
diff --git a/apis/niutrans.md b/apis/niutrans.md
index 2d72ebbe..c3fcedc0 100644
--- a/apis/niutrans.md
+++ b/apis/niutrans.md
@@ -2037,11 +2037,11 @@ supported_languages:
   base_code: tn
   name: Tswana
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: toj
   code: toj
diff --git a/apis/youdao.md b/apis/youdao.md
index cc03f76a..fc763e17 100644
--- a/apis/youdao.md
+++ b/apis/youdao.md
@@ -596,11 +596,11 @@ supported_languages:
   base_code: tlh
   name: Klingon
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   normalized_code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: turkish
   code: tr
diff --git a/languages/austronesian.md b/languages/austronesian.md
index b1d0cfef..b6eb40f5 100644
--- a/languages/austronesian.md
+++ b/languages/austronesian.md
@@ -74,8 +74,8 @@ languages:
   name: Tahitian
 - slug: tetum
   name: Tetum
-- slug: tonga
-  name: Tonga
+- slug: tongan
+  name: Tongan
 - slug: waray
   name: Waray
 seo:
diff --git a/languages/tonga.md b/languages/tongan.md
similarity index 87%
rename from languages/tonga.md
rename to languages/tongan.md
index 39bf3642..baa756dd 100644
--- a/languages/tonga.md
+++ b/languages/tongan.md
@@ -5,13 +5,12 @@ nav_order: 993
 nav_exclude: true
 parent: Languages
 layout: language
-title: Tonga
-description: Machine translation for Tonga
+title: Tongan
+description: Machine translation for Tongan
 codes:
 - to
 - ton
 names:
-- Tonga
 - Tongan
 family:
 - slug: austronesian
@@ -45,7 +44,7 @@ supported_qe_apis:
   id: modelfront
   name: ModelFront
 seo:
-  name: Machine translation for Tonga
+  name: Machine translation for Tongan
   type: Language
 
 ---
diff --git a/quality-estimation/modelfront.md b/quality-estimation/modelfront.md
index 574a3b24..95b02b23 100644
--- a/quality-estimation/modelfront.md
+++ b/quality-estimation/modelfront.md
@@ -648,10 +648,10 @@ supported_languages:
   base_code: tl
   name: Tagalog
   variant_name: null
-- slug: tonga
+- slug: tongan
   code: to
   base_code: to
-  name: Tonga
+  name: Tongan
   variant_name: null
 - slug: turkish
   code: tr