Simplify sentance in perlpacktut.pod

pod/perlpacktut.pod

@@ -41,11 +41,10 @@ of these two functions.
 
 To see how (un)packing works, we'll start with a simple template
 code where the conversion is in low gear: between the contents of a byte
-sequence and a string of hexadecimal digits. Let's use C<unpack>, since
-this is likely to remind you of a dump program, or some desperate last
-message unfortunate programs are wont to throw at you before they expire
-into the wild blue yonder. Assuming that the variable C<$mem> holds a 
-sequence of bytes that we'd like to inspect without assuming anything 
+sequence and a string of hexadecimal digits. Let's use C<unpack>,
+since this may remind you of a hex dump or a crash message emitted by
+a program just before it fails. Assuming that the variable C<$mem> holds
+a sequence of bytes that we'd like to inspect without assuming anything 
 about its meaning, we can write
 
    my( $hex ) = unpack( 'H*', $mem );