update a hyperlink

lib/asciidocs/letter-to-christina-grimmie.asciidoc

@@ -14,7 +14,7 @@ Dear Chris,
 **Executive Summary**: I have always loved you, I always will, I think you rock (and you are my candidate for being the next second-most-awesome-individual-ever). Moreover, I admit that I believe you are https://www.shlomifish.org/philosophy/philosophy/putting-cards-on-the-table-2019-2020/indiv-nodes/meaning-of-able-competent.xhtml[more "able"] than I. I need you, I wish you were here, and I strongly suspect you are really still alive, healthy, and kicking.
 
 I may have been overzealous in my tweeting ( https://twitter.com/shlomif/with_replies )
-and my "blogging" / web publishing ( https://www.shlomifish.org/art/recommendations/music/online-artists/fan-pages/chris-grimmie/ )
+and my "blogging" / web publishing ( https://www.shlomifish.org/philosophy/fan-pages/christina-grimmie/ )
 so I apologise for that.
 
 It is a shot in the dark, but if you're alive, please make it public knowledge. I