README.md in attractor-0.1.1 vs README.md in attractor-0.1.2

@@ -39,9 +39,10 @@
 ## CLI Commands and Options
 
 Print a simple output to console:
 
     $ attractor calc
+    $   --file_prefix|-p app/models
 
 Generate a full report
 
     $ attractor report 
     $   --file_prefix|-p app/models