[205159] Update README with current number of flags served (#226)

https://app.shortcut.com/launchdarkly/story/205159/update-intro-text-in-sdk-github-repos

Author: louis-launchdarkly

README.md

@@ -7,7 +7,7 @@
 
 ## LaunchDarkly overview
 
-[LaunchDarkly](https://www.launchdarkly.com) is a feature management platform that serves over 100 billion feature flags daily to help teams build better software, faster. [Get started](https://docs.launchdarkly.com/home/getting-started) using LaunchDarkly today!
+[LaunchDarkly](https://www.launchdarkly.com) is a feature management platform that serves trillions of feature flags daily to help teams build better software, faster. [Get started](https://docs.launchdarkly.com/home/getting-started) using LaunchDarkly today!
 
 [![Twitter Follow](https://img.shields.io/twitter/follow/launchdarkly.svg?style=social&label=Follow&maxAge=2592000)](https://twitter.com/intent/follow?screen_name=launchdarkly)
 
@@ -21,7 +21,7 @@ Refer to the [SDK reference guide](https://docs.launchdarkly.com/sdk/server-side
 
 ## Learn more
 
-Check out our [documentation](http://docs.launchdarkly.com) for in-depth instructions on configuring and using LaunchDarkly. You can also head straight to the [complete reference guide for this SDK](http://docs.launchdarkly.com/docs/python-sdk-reference).
+Read our [documentation](http://docs.launchdarkly.com) for in-depth instructions on configuring and using LaunchDarkly. You can also head straight to the [complete reference guide for this SDK](http://docs.launchdarkly.com/docs/python-sdk-reference).
 
 Generated API documentation is on [readthedocs.io](https://launchdarkly-python-sdk.readthedocs.io/en/latest/).