(Resources): Minor fix.

man/xresources.texi

@@ -62,7 +62,7 @@ collection of related options, for one program or for several programs
 Emacs compiled for Windows looks for X resources in the Windows
 Registry, under the key @samp{HKEY_CURRENT_USER\SOFTWARE\GNU\Emacs}
 and then under the key @samp{HKEY_LOCAL_MACHINE\SOFTWARE\GNU\Emacs}.
-The menu and scrollbars are native widgets on MS-Windows, so they are
+The menu and scroll bars are native widgets on MS-Windows, so they are
 only customizable via the system-wide settings in the Display Control
 Panel.  You can also set resources using the @samp{-xrm} command line
 option (see below.)