Merge pull request #55 from MarijnS95/patch-2

Fix `exec*table` typo in main doc comment

src/lib.rs

@@ -38,7 +38,7 @@ use crate::checker::{CompositeChecker, ExecutableChecker, ExistedChecker};
 pub use crate::error::*;
 use crate::finder::Finder;
 
-/// Find a exectable binary's path by name.
+/// Find an executable binary's path by name.
 ///
 /// If given an absolute path, returns it if the file exists and is executable.
 ///