diff --git a/generators/kimgio/org.kde.okular-kimgio.metainfo.xml b/generators/kimgio/org.kde.okular-kimgio.metainfo.xml
index 765ff1ea2..2161407a8 100644
--- a/generators/kimgio/org.kde.okular-kimgio.metainfo.xml
+++ b/generators/kimgio/org.kde.okular-kimgio.metainfo.xml
@@ -86,7 +86,7 @@
   <summary xml:lang="ta">பல படப் படிவங்களுக்கான ஆதரவை சேர்க்கும்</summary>
   <summary xml:lang="tr">Birçok resim biçimini okuma desteği ekler</summary>
   <summary xml:lang="uk">Додає підтримку читання зображень у багатьох форматах</summary>
-  <summary xml:lang="vi">Thêm hỗ trợ đọc nhiều dạng thức ảnh</summary>
+  <summary xml:lang="vi">Thêm hỗ trợ đọc nhiều định dạng ảnh</summary>
   <summary xml:lang="x-test">xxAdds support for reading many image formatsxx</summary>
   <summary xml:lang="zh-CN">支持多种图片格式的阅读</summary>
   <summary xml:lang="zh-TW">加入讀取許多影像格式的支援</summary>
diff --git a/mobile/app/org.kde.okular.kirigami.appdata.xml b/mobile/app/org.kde.okular.kirigami.appdata.xml
index 68a21b8a0..caa159843 100644
--- a/mobile/app/org.kde.okular.kirigami.appdata.xml
+++ b/mobile/app/org.kde.okular.kirigami.appdata.xml
@@ -198,7 +198,7 @@
       <li xml:lang="ta">ஆதரிக்கப்படும் கோப்பு வகைகள்: PDF, PS, Tiff, CHM, DjVu, படங்கள், DVI, XPS, Fiction Book, வரைகதை புத்தகம், Plucker, EPub, Fax</li>
       <li xml:lang="tr">Desteklenen Biçimler: PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Fax</li>
       <li xml:lang="uk">Підтримувані формати: PDF, PS, Tiff, CHM, DjVu, зображення, DVI, XPS, Fiction Book, комікси, Plucker, EPub, факси.</li>
-      <li xml:lang="vi">Hỗ trợ các dạng thức: PDF, PS, Tiff, CHM, DjVu, ảnh, DVI, XPS, FictionBook, truyện tranh, Plucker, EPub, Fax</li>
+      <li xml:lang="vi">Hỗ trợ các định dạng: PDF, PS, Tiff, CHM, DjVu, ảnh, DVI, XPS, FictionBook, truyện tranh, Plucker, EPub, Fax</li>
       <li xml:lang="x-test">xxSupported Formats: PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Faxxx</li>
       <li xml:lang="zh-CN">支持格式：PDF、PS、TIFF、CHM、DjVu、图像、DVI、XPS、ODT、FictionBook (FB*)、Comic Book (CB*)、Plucker、EPub、传真</li>
       <li>Sidebar with contents, thumbnails, reviews and bookmarks</li>
diff --git a/shell/org.kde.okular.appdata.xml b/shell/org.kde.okular.appdata.xml
index 5b2ebd4fb..8b1882aea 100644
--- a/shell/org.kde.okular.appdata.xml
+++ b/shell/org.kde.okular.appdata.xml
@@ -212,7 +212,7 @@
       <li xml:lang="ta">ஆதரிக்கப்படும் கோப்பு வகைகள்: PDF, PS, Tiff, CHM, DjVu, படங்கள், DVI, XPS, Fiction Book, வரைகதை புத்தகம், Plucker, EPub, Fax</li>
       <li xml:lang="tr">Desteklenen Biçimler: PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Fax</li>
       <li xml:lang="uk">Підтримувані формати: PDF, PS, Tiff, CHM, DjVu, зображення, DVI, XPS, Fiction Book, комікси, Plucker, EPub, факси.</li>
-      <li xml:lang="vi">Hỗ trợ các dạng thức: PDF, PS, Tiff, CHM, DjVu, ảnh, DVI, XPS, FictionBook, truyện tranh, Plucker, EPub, Fax</li>
+      <li xml:lang="vi">Hỗ trợ các định dạng: PDF, PS, Tiff, CHM, DjVu, ảnh, DVI, XPS, FictionBook, truyện tranh, Plucker, EPub, Fax</li>
       <li xml:lang="x-test">xxSupported Formats: PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Faxxx</li>
       <li xml:lang="zh-CN">支持格式：PDF、PS、TIFF、CHM、DjVu、图像、DVI、XPS、ODT、FictionBook (FB*)、Comic Book (CB*)、Plucker、EPub、传真</li>
       <li>Sidebar with contents, thumbnails, reviews and bookmarks</li>