diff --git a/Docs/src/library.but b/Docs/src/library.but
index ba127331..bede7adc 100644
--- a/Docs/src/library.but
+++ b/Docs/src/library.but
@@ -33,7 +33,7 @@ Note that you can only compile scripts using this system on Windows systems. It
 
 The InstallLib macro allows you to install a library. It sets the error flag if something went wrong during library setup.
 
-To ask the user for a reboot if required, use the Modern UI with a Finish page or use \R{ifrebootflag}{IfRebootFlag} and make your own page or message box.
+To ask the user for a reboot, if required, use the Modern UI with a Finish page or use \R{ifrebootflag}{IfRebootFlag} and make your own page or message box.
 
 \S1{} Parameters
 
@@ -232,7 +232,7 @@ The correct version of the following files should be stored in your script folde
 
 A \W{http://support.microsoft.com/default.aspx?scid=kb;en-us;290887}{Microsoft article} that explains how to obtain these files is available.
 
-To ask the user for a reboot if required, use the Modern UI with a Finish page or use \R{ifrebootflag}{IfRebootFlag} and make your own page or message box.
+To ask the user for a reboot, if required, use the Modern UI with a Finish page or use \R{ifrebootflag}{IfRebootFlag} and make your own page or message box.
 
 \c  !include Library.nsh
 \c