diff --git a/l10n/en-US/viewer.properties b/l10n/en-US/viewer.properties
index 80f9cd925..6afb232e7 100644
--- a/l10n/en-US/viewer.properties
+++ b/l10n/en-US/viewer.properties
@@ -18,8 +18,8 @@ zoom_in_label=Zoom In
zoom.title=Zoom
print.title=Print
print_label=Print
-fullscreen.title=Fullscreen
-fullscreen_label=Fullscreen
+presentation_mode.title=Switch to Presentation Mode
+presentation_mode_label=Presentation Mode
open_file.title=Open File
open_file_label=Open
download.title=Download
diff --git a/web/viewer.html b/web/viewer.html
index 5a2f4f28c..70cd8cdb0 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -135,8 +135,8 @@ limitations under the License.
-