Merge pull request #2092 from Aleru/master

Make a portion of text less ambiguous

Author: steveklabnik

src/ch07-05-separating-modules-into-different-files.md

@@ -76,7 +76,7 @@ that module.
 
 ## Summary
 
-Rust lets you organize your packages into crates and your crates into modules
+Rust lets you split a package into multiple crates and a crate into modules
 so you can refer to items defined in one module from another module. You can do
 this by specifying absolute or relative paths. These paths can be brought into
 scope with a `use` statement so you can use a shorter path for multiple uses of