Fix silly acronym substitution

src/news/2024-08-01-grads.md

@@ -1,7 +1,7 @@
 Congratulations to Drs. [Dietrich Geisler][dietrich] and [Neil Adit][neil], both of whom graduated with their PhDs!
-Neil is starting a position at Meta, and Dietrich will be a [faculty of instruction][neunews] at [Northwestern CS][neu].
+Neil is starting a position at Meta, and Dietrich will be a [faculty of instruction][nwnews] at [Northwestern CS][nw].
 
 [dietrich]: https://www.cs.cornell.edu/~dgeisler/
 [neil]: https://neiladit.com
-[neunews]: https://www.mccormick.northwestern.edu/computer-science/news-events/news/articles/2024/northwestern-cs-welcomes-new-teaching-track-faculty-members.html
-[neu]: https://www.mccormick.northwestern.edu/computer-science/
+[nwnews]: https://www.mccormick.northwestern.edu/computer-science/news-events/news/articles/2024/northwestern-cs-welcomes-new-teaching-track-faculty-members.html
+[nw]: https://www.mccormick.northwestern.edu/computer-science/