--- a/browser/locales/en-US/chrome/browser/browser.properties
+++ b/browser/locales/en-US/chrome/browser/browser.properties
@@ -914,9 +914,9 @@ permissions.remove.tooltip = Clear this 
 # between the Firefox version and the "What's new" link in the About dialog,
 # e.g.: "48.0.2 (32-bit) <What's new>" or "51.0a1 (2016-09-05) (64-bit)".
 aboutDialog.architecture.sixtyFourBit = 64-bit
 aboutDialog.architecture.thirtyTwoBit = 32-bit
 
 # LOCALIZATION NOTE (certImminentDistrust.message):
 # Shown in the browser console when visiting a website that is trusted today,
 # but won't be in the future unless the site operator makes a change.
-certImminentDistrust.message = The security certificate in use on this web site will no longer be trusted in a future release of Firefox. For more information, visit https://wiki.mozilla.org/CA/Upcoming_Distrust_Actions
\ No newline at end of file
+certImminentDistrust.message = The security certificate in use on this website will no longer be trusted in a future release. For more information, visit https://wiki.mozilla.org/CA/Upcoming_Distrust_Actions
\ No newline at end of file