remove possibly-outdated comment on what GUI toolkit is most commonly used;
it is hard to know whether this is right, and it does not add valuable reference information
at any rate
diff --git a/Doc/lib/tkinter.tex b/Doc/lib/tkinter.tex
index 1f026e2..557028f 100644
--- a/Doc/lib/tkinter.tex
+++ b/Doc/lib/tkinter.tex
@@ -18,10 +18,9 @@
 module \module{\_tkinter} provides a threadsafe mechanism which allows
 Python and Tcl to interact.
 
-Tk is not the only GUI for Python, but is however the most commonly
-used one; see section~\ref{other-gui-modules}, ``Other User Interface
-Modules and Packages,'' for more information on other GUI toolkits for
-Python.
+Tk is not the only GUI for Python; see
+section~\ref{other-gui-modules}, ``Other User Interface Modules and
+Packages,'' for more information on other GUI toolkits for Python.
 
 % Other sections I have in mind are
 % Tkinter internals