fix(docs): clean up npm shrinkwrap docs

Just a small spelling fix and some width reformatting

docs/content/commands/npm-shrinkwrap.md

@@ -12,11 +12,12 @@ npm shrinkwrap
 
 ### Description
 
-This command repurposes `package-lock.json` into a publishable
-`npm-shrinkwrap.json` or simply creates a new one. The file created and updated
-by this command will then take precedence over any other existing or future
-`package-lock.json` files. For a detailed explanation of the design and purpose
-of package locks in npm, see [package-locks](/configuring-npm/package-locks).
+This command re-purposes `package-lock.json` into a publishable
+`npm-shrinkwrap.json` or simply creates a new one. The file created and
+updated by this command will then take precedence over any other
+existing or future `package-lock.json` files. For a detailed explanation
+of the design and purpose of package locks in npm, see
+[package-locks](/configuring-npm/package-locks).
 
 ### See Also