Update documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvmc.pod b/docs/CommandGuide/llvmc.pod
index 18ffb9f..97445ed 100644
--- a/docs/CommandGuide/llvmc.pod
+++ b/docs/CommandGuide/llvmc.pod
@@ -65,8 +65,11 @@
=item B<--save-temps>
-Write temporary files to the current directory and do not delete them
-on exit. Hidden option, useful for debugging.
+Write temporary files to the current directory and do not delete them on
+exit. This option can also take an argument: the I<--save-temps=obj> switch will
+write files into the directory specified with the I<-o> option. The
+I<--save-temps=cwd> and I<--save-temps> switches are both synonyms for the
+default behaviour.
=item B<--help>