s/it/if/ in descriptions of spawn mode argument.

diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index f8cda4cd9349cb0179c6fc4dfa2deb6acf46794a..9683485b57943b9f26e03a6b92c57e00c3469816 100644 (file)
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -1014,7 +1014,7 @@ functions are described in section \ref{os-newstreams}.
 \funcline{spawnvpe}{mode, file, args, env}
 Execute the program \var{path} in a new process.  If \var{mode} is
 \constant{P_NOWAIT}, this function returns the process ID of the new
-process; it \var{mode} is \constant{P_WAIT}, returns the process's
+process; if \var{mode} is \constant{P_WAIT}, returns the process's
 exit code if it exits normally, or \code{-\var{signal}}, where
 \var{signal} is the signal that killed the process.