complete-run: fix pod errors

Close `=over` with `=back` and use ascii apostrophe for "don't" to avoid
pod errors on `complete-run` docs.

diff --git a/testcases/complete-run.pl b/testcases/complete-run.pl
index eaf57bde1620495c3ef168018a76189c39c32bf5..9710017d71271866212c46638b7ebfb4a0103961 100755 (executable)
--- a/testcases/complete-run.pl
+++ b/testcases/complete-run.pl
@@ -395,8 +395,10 @@ Exits i3 cleanly (instead of kill -9) to make coverage testing work properly.
 
 =item B<--parallel>
 
-Number of Xephyr instances to start (if you don’t want to start num_cores * 2
+Number of Xephyr instances to start (if you don't want to start num_cores * 2
 instances for some reason).
 
   # Run all tests on a single Xephyr instance
   ./complete-run.pl -p 1
+
+=back