diff --git a/l10n/cak/viewer.properties b/l10n/cak/viewer.properties
index dc7fc637a..be11fdc64 100644
--- a/l10n/cak/viewer.properties
+++ b/l10n/cak/viewer.properties
@@ -35,7 +35,7 @@ zoom_in_label=Tinimirisäx
 zoom.title=Sum
 presentation_mode.title=Tijal ri rub'anikil niwachin
 presentation_mode_label=Pa rub'eyal niwachin
-open_file.title=Tijaq yakb'äl
+open_file.title=Tijaq Yakb'äl
 open_file_label=Tijaq
 print.title=Titz'ajb'äx
 print_label=Titz'ajb'äx
diff --git a/l10n/es-CL/viewer.properties b/l10n/es-CL/viewer.properties
index f7f621f59..05a2b34cb 100644
--- a/l10n/es-CL/viewer.properties
+++ b/l10n/es-CL/viewer.properties
@@ -210,7 +210,7 @@ error_stack=Pila: {{stack}}
 error_file=Archivo: {{file}}
 # LOCALIZATION NOTE (error_line): "{{line}}" will be replaced with a line number
 error_line=Línea: {{line}}
-rendering_error=Ha ocurrido un error al renderizar la página.
+rendering_error=Ocurrió un error al renderizar la página.
 
 # Predefined zoom values
 page_scale_width=Ancho de página
@@ -223,7 +223,7 @@ page_scale_percent={{scale}}%
 
 # Loading indicator messages
 loading_error_indicator=Error
-loading_error=Ha ocurrido un error al cargar el PDF.
+loading_error=Ocurrió un error al cargar el PDF.
 invalid_file_error=Archivo PDF inválido o corrupto.
 missing_file_error=Falta el archivo PDF.
 unexpected_response_error=Respuesta del servidor inesperada.
diff --git a/l10n/hy-AM/viewer.properties b/l10n/hy-AM/viewer.properties
index f38581b21..350ae82ee 100644
--- a/l10n/hy-AM/viewer.properties
+++ b/l10n/hy-AM/viewer.properties
@@ -137,7 +137,7 @@ print_progress_close=Չեղարկել
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
 toggle_sidebar.title=Բացել/Փակել Կողային վահանակը
-toggle_sidebar_notification.title=Փոխանջատել Կողային գոտին (փաստաթուղթը պարունակում է ուրվագիծ/կցորդ)
+toggle_sidebar_notification.title=Փոխարկել Կողային փեղկը (փաստաթուղթը պարունակում է ուրվագիծ/կցորդներ)
 toggle_sidebar_label=Բացել/Փակել Կողային վահանակը
 document_outline.title=Ցուցադրել փաստաթղթի ուրվագիծը (կրկնակի սեղմեք՝ միավորները ընդարձակելու/կոծկելու համար)
 document_outline_label=Փաստաթղթի բովանդակությունը
diff --git a/l10n/ko/viewer.properties b/l10n/ko/viewer.properties
index 835451399..dd25f5aee 100644
--- a/l10n/ko/viewer.properties
+++ b/l10n/ko/viewer.properties
@@ -41,8 +41,8 @@ print.title=인쇄
 print_label=인쇄
 download.title=다운로드
 download_label=다운로드
-bookmark.title=현재 뷰 (복사하거나 새 창에 열기)
-bookmark_label=현재 뷰
+bookmark.title=현재 보기 (복사 또는 새 창에 열기)
+bookmark_label=현재 보기
 
 # Secondary toolbar and context menu
 tools.title=도구
@@ -137,7 +137,7 @@ print_progress_close=취소
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
 toggle_sidebar.title=탐색창 표시/숨기기
-toggle_sidebar_notification.title=탐색창 표시/숨기기 (문서에 아웃라인/첨부파일 포함)
+toggle_sidebar_notification.title=탐색창 표시/숨기기 (문서에 아웃라인/첨부파일 포함됨)
 toggle_sidebar_label=탐색창 표시/숨기기
 document_outline.title=문서 아웃라인 보기(더블 클릭해서 모든 항목 펼치기/접기)
 document_outline_label=문서 아웃라인
diff --git a/l10n/pt-BR/viewer.properties b/l10n/pt-BR/viewer.properties
index 1a9077552..3f7b829cf 100644
--- a/l10n/pt-BR/viewer.properties
+++ b/l10n/pt-BR/viewer.properties
@@ -41,7 +41,7 @@ print.title=Imprimir
 print_label=Imprimir
 download.title=Download
 download_label=Download
-bookmark.title=Visualização atual (copiar ou abrir em uma nova janela)
+bookmark.title=Visão atual (copiar ou abrir em nova janela)
 bookmark_label=Visualização atual
 
 # Secondary toolbar and context menu
diff --git a/l10n/ro/viewer.properties b/l10n/ro/viewer.properties
index 232c5aba0..5dfab699e 100644
--- a/l10n/ro/viewer.properties
+++ b/l10n/ro/viewer.properties
@@ -53,12 +53,12 @@ first_page_label=Mergi la prima pagină
 last_page.title=Mergi la ultima pagină
 last_page.label=Mergi la ultima pagină
 last_page_label=Mergi la ultima pagină
-page_rotate_cw.title=Rotește în sensul acelor de ceasornic
-page_rotate_cw.label=Rotește în sensul acelor de ceasornic
-page_rotate_cw_label=Rotește în sensul acelor de ceasornic
-page_rotate_ccw.title=Rotește în sens invers al acelor de ceasornic
-page_rotate_ccw.label=Rotește în sens invers al acelor de ceasornic
-page_rotate_ccw_label=Rotește în sens invers al acelor de ceasornic
+page_rotate_cw.title=Rotește în sensul acelor de ceas
+page_rotate_cw.label=Rotește în sensul acelor de ceas
+page_rotate_cw_label=Rotește în sensul acelor de ceas
+page_rotate_ccw.title=Rotește în sens invers al acelor de ceas
+page_rotate_ccw.label=Rotește în sens invers al acelor de ceas
+page_rotate_ccw_label=Rotește în sens invers al acelor de ceas
 
 cursor_text_select_tool.title=Activează instrumentul de selecție a textului
 cursor_text_select_tool_label=Instrumentul de selecție a textului
@@ -106,8 +106,8 @@ document_properties_page_count=Număr de pagini:
 document_properties_page_size=Mărimea paginii:
 document_properties_page_size_unit_inches=in
 document_properties_page_size_unit_millimeters=mm
-document_properties_page_size_orientation_portrait=portret
-document_properties_page_size_orientation_landscape=peisaj
+document_properties_page_size_orientation_portrait=verticală
+document_properties_page_size_orientation_landscape=orizontală
 document_properties_page_size_name_a3=A3
 document_properties_page_size_name_a4=A4
 document_properties_page_size_name_letter=Literă