Fix temporary-extract configuration parameter

Change-Id: Iba7cd0e07bc1a262a8d78ffc37d98ce5299fb2b6
diff --git a/Readme.pod b/Readme.pod
index 2b4d1c6..bae4e4a 100644
--- a/Readme.pod
+++ b/Readme.pod
@@ -207,7 +207,7 @@
 for archive processing.
 Defaults to C<0> (everything runs in a single process).
 
-If C<sequential-extraction> is not set to false, this will
+If C<sequential-extraction> is not set to true, this will
 also apply to extraction.
 
 Pass -1, and the value will be set automatically to 5
@@ -299,7 +299,8 @@
 
 =item B<--temporary-extract|-te>
 
-Only valid for the C<archive> command.
+Only valid for the C<archive> and C<serial>
+commands.
 
 This will first extract all files into a
 directory and then will archive.