utterly trivial changes so we can push a new release (#198)

Author: graebm

README.md

@@ -30,8 +30,8 @@ To use from your Python application, declare `awscrt` as a dependency in your `s
 
 ## Mac-Only TLS Behavior
 
-Please note that on Mac, once a private key is used with a certificate, that certificate-key pair is imported into the Mac Keychain.  All subsequent uses of that certificate will use the stored private key and ignore anything passed in programmatically.  Beginning in v0.6.2, when a stored private key from the Keychain is used, the following will be logged at the "info" log level:
+Please note that on Mac, once a private key is used with a certificate, that certificate-key pair is imported into the Mac Keychain. All subsequent uses of that certificate will use the stored private key and ignore anything passed in programmatically. Beginning in v0.6.2, when a stored private key from the Keychain is used, the following will be logged at the "info" log level:
 
 ```
-static: certificate has an existing certificate-key pair that was previously imported into the Keychain.  Using key from Keychain instead of the one provided.
+static: certificate has an existing certificate-key pair that was previously imported into the Keychain. Using key from Keychain instead of the one provided.
 ```