--- a/browser/locales/en-US/installer/nsisstrings.properties
+++ b/browser/locales/en-US/installer/nsisstrings.properties
@@ -24,19 +24,23 @@ INSTALLER_WIN_CAPTION=$BrandShortName In
 # the string fit in the 3 lines of space available.
 STUB_CLEANUP_PAVEOVER_HEADER=$BrandShortName is already installed.\nLet's update it.
 STUB_CLEANUP_REINSTALL_HEADER=$BrandShortName has been installed before.\nLet's get you a new copy.
 STUB_CLEANUP_PAVEOVER_BUTTON=&Update
 STUB_CLEANUP_REINSTALL_BUTTON=Re-&install
 STUB_CLEANUP_CHECKBOX_LABEL=&Restore default settings and remove old add-ons for optimal performance
 
 STUB_INSTALLING_LABEL=Now installing
+STUB_INSTALLING_LABEL2=Now installing…
 STUB_BLURB1=Fast, responsive online experiences
 STUB_BLURB2=Compatibility with more of your favorite sites
 STUB_BLURB3=Built-in privacy tools for safer browsing
+STUB_BLURB_FIRST1=The fastest, most responsive $BrandShortName yet
+STUB_BLURB_SECOND1=Faster page loading and tab switching
+STUB_BLURB_THIRD1=Powerful private browsing
 STUB_BLURB_FOOTER2=Built for people, not for profit
 
 WARN_MIN_SUPPORTED_OSVER_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer. Please click the OK button for additional information.
 WARN_MIN_SUPPORTED_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires a processor with ${MinSupportedCPU} support. Please click the OK button for additional information.
 WARN_MIN_SUPPORTED_OSVER_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer and a processor with ${MinSupportedCPU} support. Please click the OK button for additional information.
 WARN_WRITE_ACCESS_QUIT=You don't have access to write to the installation directory
 WARN_DISK_SPACE_QUIT=You don't have sufficient disk space to install.
 WARN_MANUALLY_CLOSE_APP_LAUNCH=$BrandShortName is already running.\n\nPlease close $BrandShortName prior to launching the version you have just installed.