fixed typo

Author: simongravelle

files/tutorial8/reacting.lmp

@@ -26,7 +26,7 @@ molecule mol2 rxn1_stp1_reacted.molecule_template
 molecule mol3 rxn1_stp2_unreacted.molecule_template
 molecule mol4 rxn1_stp2_reacted.molecule_template 
 
-dump mydmp all image 1000 dump.mixing.*.ppm &
+dump mydmp all image 1000 dump.reacting.*.ppm &
   type type shiny 0.1 box no 0.01 &
   view 0 0 zoom 1.8 fsaa yes bond atom 0.5
 dump_modify mydmp backcolor white &