Update README.md

Author: David Blackman

README.md

@@ -4,9 +4,13 @@ This is a simple tool for comparing one json http server to another.
 
 A pretty normal run of this looks like
 
+```
 npx ts-node compare.ts \
+  --color \ # defaults to color on for terminal, off for redirect. adding --color forces ansi color escape codes in all output
   --old.host localhost:3100 \
   --new.host normal-prod-url.elasticbeanstalk.com \
   --input_csv directionals.csv \ # the column names will be used as the parameters names to the endpoint
   --endpoint /v1/search  \ # the queries will be run against this
+  --extra_params size=1 \ # added to every query, useful for truncating results to reduce noise
   --ignored_fields attribution timestamp bbox # ignore these fields in the diff
+```