Fix SqueakJS links

Author: codefrau

_development/squeakjs.md

@@ -8,12 +8,12 @@ href:       https://squeak.js.org
 An extremely compatible virtual machine written entirely in JavaScript.
 It runs in a web browser (even on tablets and phones) and can execute all versions of Squeak, 
 even those not supported by more modern VMs. 
-For example, it can run [<i class="fa fa-external-link">Etoys</i>][etoys]{:target=_blank},
-[<i class="fa fa-external-link">Scratch</i>][sca]{:target=_blank}, 
-[<i class="fa fa-external-link">Croquet</i>][Croquet]{:target=_blank},
-or the [<i class="fa fa-external-link">SqueakNews</i>][news]{:target=_blank} magazine.
+For example, it can run [Etoys<i class="fa fa-external-link"></i>][etoys]{:target=_blank},
+[Scratch<i class="fa fa-external-link"></i>][scratch]{:target=_blank}, 
+[Croquet<i class="fa fa-external-link"></i>][croquet]{:target=_blank},
+or the [SqueakNews<i class="fa fa-external-link"></i>][squeaknews]{:target=_blank} magazine.
 
 [etoys]: https://squeak.js.org/etoys/
 [scratch]: https://squeak.js.org/scratch/
 [croquet]: https://codefrau.github.io/jasmine/
-[news]: https://smalltalkzoo.thechm.org/SqueakNews/index.html
+[squeaknews]: https://smalltalkzoo.thechm.org/SqueakNews/index.html