minor wording cleanup
diff --git a/Doc/api/exceptions.tex b/Doc/api/exceptions.tex
index 3a51a05..5236a72 100644
--- a/Doc/api/exceptions.tex
+++ b/Doc/api/exceptions.tex
@@ -299,7 +299,7 @@
\end{cfuncdesc}
\begin{cfuncdesc}{void}{PyErr_SetInterrupt}{}
- It simulates the effect of a
+ This function simulates the effect of a
\constant{SIGINT}\ttindex{SIGINT} signal arriving --- the next time
\cfunction{PyErr_CheckSignals()} is called,
\withsubitem{(built-in exception)}{\ttindex{KeyboardInterrupt}}