fix English usage error reported by Ken Fuchs
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index 7814231..972a79b 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -1411,7 +1411,7 @@
The most useful form is to specify a default value for one or more
arguments. This creates a function that can be called with fewer
-arguments than it is defined
+arguments than it is defined to allow. For example:
\begin{verbatim}
def ask_ok(prompt, retries=4, complaint='Yes or no, please!'):
@@ -3282,7 +3282,7 @@
\exception{ZeroDivisionError}, \exception{NameError} and
\exception{TypeError}.
The string printed as the exception type is the name of the built-in
-name for the exception that occurred. This is true for all built-in
+exception that occurred. This is true for all built-in
exceptions, but need not be true for user-defined exceptions (although
it is a useful convention).
Standard exception names are built-in identifiers (not reserved