Update README.md (#250)

Improve clarity

README.md

@@ -8,7 +8,7 @@ About
 
 In the years of research required to create the more than a thousand evidence-based videos on [NutritionFacts.org][nutritionfacts.org], Michael Greger, MD, FACLM, has arrived at a list of what he considers the most important foods to include in a healthy daily diet. Yes, greens are good for you, but how much should we try to eat each day?
 
-Dr. Greger’s Daily Dozen details the healthiest foods and how many servings of each we should try to check off every day. He explains his rationale in his book [How Not to Die][book]. All his proceeds from his books, DVDs, and speaking engagements is all donated to charity.
+Dr. Greger’s Daily Dozen details the healthiest foods and how many servings of each we should try to check off every day. He explains his rationale in his book [How Not to Die][book]. All proceeds from his books, DVDs, and speaking engagements are donated to charity.
 
 
 Daily Dozen on Google Play
@@ -77,4 +77,4 @@ Contributors
 [angelagvarela]: https://github.com/angelagvarela "angelagvarela on GitHub"
 [josephkelemen97]: https://github.com/josephkelemen97 "josephkelemen97 on GitHub"
 [marc-medley]: https://github.com/marc-medley "marc-medley on GitHub"
-[tabasco-flame]: https://github.com/tabasco-flame "tabasco-flame on GitHub"
+[tabasco-flame]: https://github.com/tabasco-flame "tabasco-flame on GitHub"