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README.md

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 # World-Population-Bot
-A Twitter bot that posts the total world population and the percent change once a day.
+*A simple Twitter bot that posts the total world population and the percent change once a day.*
+
+**What this program does:**
+1. Pull the total world population from http://api.population.io/
+2. Calculate the percent change since the previous day
+3. Post to twitter
+4. Wait 24 hours
+5. Repeat
 
 **NOTE:** Before using makesure log.txt has at least 2 world population already. To determine the 2 previous days world population use: http://api.population.io/#!/population/determineTotalPopulationByDate and put the two numbers you find into log.txt.