docs: Correct broken URL in 'unexpanded template text' message.

Author: claremacrae

docs/Advanced/Daily Agenda.md

@@ -87,7 +87,7 @@ Possible causes:
 - Some sample template text was accidentally pasted in to a tasks query,
   instead of in to a template file.
 
-See: https://publish.obsidian.md/tasks/Advanced/Instruction+contains+unexpanded+template+text
+See: https://publish.obsidian.md/tasks/Advanced/Daily+Agenda#Instruction+contains+unexpanded+template+text
 ```
 <!-- endSnippet -->