Add \exception markup

diff --git a/Doc/lib/libthread.tex b/Doc/lib/libthread.tex
index 4914948d6fb9a485fb2ff7952fdd6a25f1a37d86..f5cfe2b818921d202209d6d400543d23f444c252 100644 (file)
--- a/Doc/lib/libthread.tex
+++ b/Doc/lib/libthread.tex
@@ -44,8 +44,8 @@ then the thread exits (but other threads continue to run).
 \end{funcdesc}
 
 \begin{funcdesc}{interrupt_main}{}
-Raise a KeyboardInterrupt in the main thread.  A subthread can use this
-function to interrupt the main thread.
+Raise a \exception{KeyboardInterrupt} exception in the main thread.  A subthread
+can use this function to interrupt the main thread.
 \versionadded{2.3}
 \end{funcdesc}