Updated Logger.log() documentation to clarify that lvl parameter should be an integer.
diff --git a/Doc/lib/liblogging.tex b/Doc/lib/liblogging.tex
index 306d10d..daaabce 100644
--- a/Doc/lib/liblogging.tex
+++ b/Doc/lib/liblogging.tex
@@ -314,7 +314,7 @@
\end{methoddesc}
\begin{methoddesc}{log}{lvl, msg\optional{, *args\optional{, **kwargs}}}
-Logs a message with level \var{lvl} on this logger.
+Logs a message with integer level \var{lvl} on this logger.
The other arguments are interpreted as for \method{debug()}.
\end{methoddesc}