diff --git a/locales/dsb/editor.properties b/locales/dsb/editor.properties
index cd3a2a6ad11..440cdbce10a 100644
--- a/locales/dsb/editor.properties
+++ b/locales/dsb/editor.properties
@@ -202,6 +202,9 @@ BINARY_FILE_DOWNLOAD=Ju ześěgnuś
 BINARY_FILE_OPEN=Ju w nowem rejtarku wócyniś
 BINARY_FILE_TRY_EDIT=Wopytowaś, ju wobźěłaś
 
+#PDF Viewer
+PDF_FILE_TITLE=PDF-dataja
+
 ################
 ## EXTENSIONS ##
 ################
diff --git a/locales/hsb/editor.properties b/locales/hsb/editor.properties
index 8cce95ab6f8..5e4555d9d50 100644
--- a/locales/hsb/editor.properties
+++ b/locales/hsb/editor.properties
@@ -202,6 +202,9 @@ BINARY_FILE_DOWNLOAD=Ju sćahnyć
 BINARY_FILE_OPEN=Ju w nowym rajtarku wočinić
 BINARY_FILE_TRY_EDIT=Pospytować, ju wobdźěłać
 
+#PDF Viewer
+PDF_FILE_TITLE=PDF-dataja
+
 ################
 ## EXTENSIONS ##
 ################