diff --git a/browser/extensions/pdfjs/content/web/viewer.html b/browser/extensions/pdfjs/content/web/viewer.html
index d527d5f14844..20da131d36b0 100644
--- a/browser/extensions/pdfjs/content/web/viewer.html
+++ b/browser/extensions/pdfjs/content/web/viewer.html
@@ -14,7 +14,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
-
+