Move hyphen-minus to the right place (#425)

While there, don't terminate a list item with a full stop ('.').

Author: rjc

README.md

@@ -4,13 +4,13 @@
 >
 >   "SQL is actually pretty great"
 
-sqlc generates **fully-type safe idiomatic Go code** from SQL. Here's how it
+sqlc generates **fully type-safe idiomatic Go code** from SQL. Here's how it
 works:
 
 1. You write SQL queries
 1. You run sqlc to generate Go code that presents type-safe interfaces to those
    queries
-1. You write application code that calls the methods sqlc generated.
+1. You write application code that calls the methods sqlc generated
 
 Seriously, it's that easy. You don't have to write any boilerplate SQL querying
 code ever again.