Update docs

Author: antonmedv

docs/Getting-Started.md

@@ -37,7 +37,7 @@ func main() {
 Usually we want to compile, type check and verify what the expression returns a 
 boolean (or another type). 
 
-For example, if a user saves an expression from 
+For example, if a user saves an expression from a
 [web UI](https://antonmedv.github.io/expr/).
 
 ```go