Revert "Update paragraph about API key"

This reverts commit 9e359ce191e3bc22e771e48a7d91e7b1c39b9a80.

The new paragraph is wrong!
Handle whitespace before closing `>`

Fixes #267.
Merge pull request #301 from Koronen/wbr-whitespace

Handle whitespace before closing `>`
Merge branch 'master' of git://github.com/swanson/stringer into tweak