#1196: document default radix for int().
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index f3c6d47..345074d 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -533,7 +533,7 @@
string, it must contain a possibly signed decimal number
representable as a Python integer, possibly embedded in whitespace.
The \var{radix} parameter gives the base for the
- conversion and may be any integer in the range [2, 36], or zero. If
+ conversion (which is 10 by default) and may be any integer in the range [2, 36], or zero. If
\var{radix} is zero, the proper radix is guessed based on the
contents of string; the interpretation is the same as for integer
literals. If \var{radix} is specified and \var{x} is not a string,