diff --git a/ofl/cactusclassicalserif/METADATA.pb b/ofl/cactusclassicalserif/METADATA.pb
index 183344a5257..1884e22778a 100644
--- a/ofl/cactusclassicalserif/METADATA.pb
+++ b/ofl/cactusclassicalserif/METADATA.pb
@@ -32,4 +32,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "yue_Hant"
 stroke: "SERIF"
diff --git a/ofl/chocolateclassicalsans/METADATA.pb b/ofl/chocolateclassicalsans/METADATA.pb
index ed4d2340ff4..ce59ad1af60 100644
--- a/ofl/chocolateclassicalsans/METADATA.pb
+++ b/ofl/chocolateclassicalsans/METADATA.pb
@@ -32,4 +32,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "yue_Hant"
 stroke: "SANS_SERIF"
diff --git a/ofl/lxgwwenkaimonotc/METADATA.pb b/ofl/lxgwwenkaimonotc/METADATA.pb
index 97242399c40..4b6d445bb68 100644
--- a/ofl/lxgwwenkaimonotc/METADATA.pb
+++ b/ofl/lxgwwenkaimonotc/METADATA.pb
@@ -62,4 +62,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "zh_Hant"
 classifications: "MONOSPACE"
diff --git a/ofl/lxgwwenkaitc/METADATA.pb b/ofl/lxgwwenkaitc/METADATA.pb
index 3b9439ab9e9..a0893dd2532 100644
--- a/ofl/lxgwwenkaitc/METADATA.pb
+++ b/ofl/lxgwwenkaitc/METADATA.pb
@@ -62,4 +62,5 @@ source {
   branch: "main"
 }
 primary_script: "Hant"
+primary_language: "zh_Hant"
 classifications: "HANDWRITING"
diff --git a/ofl/notosanshk/METADATA.pb b/ofl/notosanshk/METADATA.pb
index 4433dffdd59..19afde5c32f 100644
--- a/ofl/notosanshk/METADATA.pb
+++ b/ofl/notosanshk/METADATA.pb
@@ -24,15 +24,16 @@ axes {
   max_value: 900.0
 }
 is_noto: true
-languages: "cjy_Hant"  # Chinese, Jinyu
+languages: "cjy_Hant"  # Jin Chinese
 languages: "gan_Hant"  # Gan Chinese
-languages: "hak_Hant"  # Hakka Chinese, Traditional
+languages: "hak_Hant"  # Hakka Chinese
 languages: "hsn_Hant"  # Xiang Chinese
-languages: "lzh_Hant"  # Literary Chinese, Traditional
-languages: "nan_Hant"  # Min Nan Chinese, Traditional
+languages: "lzh_Hant"  # Literary Chinese
+languages: "nan_Hant"  # Southern Min Chinese
 languages: "wuu_Hant"  # Wu Chinese
 languages: "yue_Hant"  # Cantonese
 languages: "za_Hant"   # Zhuang, Traditional Han
 languages: "zh_Hant"   # Chinese (Traditional)
 display_name: "Noto Sans Hong Kong"
 primary_script: "Hant"
+primary_language: "yue_Hant"
\ No newline at end of file
diff --git a/ofl/notosanssc/METADATA.pb b/ofl/notosanssc/METADATA.pb
index 49c621e234b..9f6468510a4 100644
--- a/ofl/notosanssc/METADATA.pb
+++ b/ofl/notosanssc/METADATA.pb
@@ -24,15 +24,16 @@ axes {
   min_value: 100.0
   max_value: 900.0
 }
-languages: "cjy_Hans"  # Chinese, Jinyu
-languages: "gan_Hans"  # Gan Chinese
-languages: "hak_Hans"  # Hakka Chinese, Simplified
-languages: "hsn_Hans"  # Xiang Chinese
-languages: "lzh_Hans"  # Literary Chinese, Simplified
-languages: "nan_Hans"  # Min Nan Chinese, Simplified
-languages: "wuu_Hans"  # Wu Chinese
-languages: "yue_Hans"  # Cantonese
+languages: "cjy_Hans"  # Jin Chinese (Simplified)
+languages: "gan_Hans"  # Gan Chinese (Simplified)
+languages: "hak_Hans"  # Hakka Chinese (Simplified)
+languages: "hsn_Hans"  # Xiang Chinese (Simplified)
+languages: "lzh_Hans"  # Literary Chinese (Simplified)
+languages: "nan_Hans"  # Southern Min Chinese (Simplified)
+languages: "wuu_Hans"  # Wu Chinese (Simplified)
+languages: "yue_Hans"  # Cantonese (Simplified)
 languages: "za_Hans"   # Zhuang, Simplified Han
 languages: "zh_Hans"   # Chinese (Simplified)
 display_name: "Noto Sans Simplified Chinese"
 primary_script: "Hans"
+primary_language: "zh_Hans"
\ No newline at end of file
diff --git a/ofl/notosanstc/METADATA.pb b/ofl/notosanstc/METADATA.pb
index 28004b1b810..972424fa285 100644
--- a/ofl/notosanstc/METADATA.pb
+++ b/ofl/notosanstc/METADATA.pb
@@ -24,15 +24,16 @@ axes {
   min_value: 100.0
   max_value: 900.0
 }
-languages: "cjy_Hant"  # Chinese, Jinyu
+languages: "cjy_Hant"  # Jin Chinese
 languages: "gan_Hant"  # Gan Chinese
-languages: "hak_Hant"  # Hakka Chinese, Traditional
+languages: "hak_Hant"  # Hakka Chinese
 languages: "hsn_Hant"  # Xiang Chinese
-languages: "lzh_Hant"  # Literary Chinese, Traditional
-languages: "nan_Hant"  # Min Nan Chinese, Traditional
+languages: "lzh_Hant"  # Literary Chinese
+languages: "nan_Hant"  # Southern Min Chinese
 languages: "wuu_Hant"  # Wu Chinese
 languages: "yue_Hant"  # Cantonese
 languages: "za_Hant"   # Zhuang, Traditional Han
 languages: "zh_Hant"   # Chinese (Traditional)
 display_name: "Noto Sans Traditional Chinese"
 primary_script: "Hant"
+primary_language: "zh_Hant"
diff --git a/ofl/notoserifhk/METADATA.pb b/ofl/notoserifhk/METADATA.pb
index 033d42ce733..4ca64284af1 100644
--- a/ofl/notoserifhk/METADATA.pb
+++ b/ofl/notoserifhk/METADATA.pb
@@ -24,14 +24,15 @@ axes {
   max_value: 900.0
 }
 is_noto: true
-languages: "cjy_Hant"  # Chinese, Jinyu
+languages: "cjy_Hant"  # Jin Chinese
 languages: "gan_Hant"  # Gan Chinese
-languages: "hak_Hant"  # Hakka Chinese, Traditional
+languages: "hak_Hant"  # Hakka Chinese
 languages: "hsn_Hant"  # Xiang Chinese
-languages: "lzh_Hant"  # Literary Chinese, Traditional
-languages: "nan_Hant"  # Min Nan Chinese, Traditional
+languages: "lzh_Hant"  # Literary Chinese
+languages: "nan_Hant"  # Southern Min Chinese
 languages: "wuu_Hant"  # Wu Chinese
 languages: "yue_Hant"  # Cantonese
 languages: "zh_Hant"  # Chinese (Traditional)
 display_name: "Noto Serif Hong Kong"
 primary_script: "Hant"
+primary_language: "yue_Hant"
\ No newline at end of file
diff --git a/ofl/notoserifsc/METADATA.pb b/ofl/notoserifsc/METADATA.pb
index 4b879cbf54d..27c451402bb 100644
--- a/ofl/notoserifsc/METADATA.pb
+++ b/ofl/notoserifsc/METADATA.pb
@@ -36,3 +36,4 @@ languages: "za_Hans"   # Zhuang, Simplified Han
 languages: "zh_Hans"   # Chinese (Simplified)
 display_name: "Noto Serif Simplified Chinese"
 primary_script: "Hans"
+primary_language: "zh_Hans"
\ No newline at end of file
diff --git a/ofl/notoseriftc/METADATA.pb b/ofl/notoseriftc/METADATA.pb
index 50e48e7b5c4..50b4c8fae29 100644
--- a/ofl/notoseriftc/METADATA.pb
+++ b/ofl/notoseriftc/METADATA.pb
@@ -24,15 +24,16 @@ axes {
   max_value: 900.0
 }
 is_noto: true
-languages: "cjy_Hant"  # Chinese, Jinyu
+languages: "cjy_Hant"  # Jin Chinese
 languages: "gan_Hant"  # Gan Chinese
-languages: "hak_Hant"  # Hakka Chinese, Traditional
+languages: "hak_Hant"  # Hakka Chinese
 languages: "hsn_Hant"  # Xiang Chinese
-languages: "lzh_Hant"  # Literary Chinese, Traditional
-languages: "nan_Hant"  # Min Nan Chinese, Traditional
+languages: "lzh_Hant"  # Literary Chinese
+languages: "nan_Hant"  # Southern Min Chinese
 languages: "wuu_Hant"  # Wu Chinese
 languages: "yue_Hant"  # Cantonese
 languages: "za_Hant"   # Zhuang, Traditional Han
 languages: "zh_Hant"   # Chinese (Traditional)
 display_name: "Noto Serif Traditional Chinese"
 primary_script: "Hant"
+primary_language: "zh_Hant"
\ No newline at end of file