chore: Document Vanilla Interruption bug (#451)

Author: olijeffers0n

config-specs/paper/paper-world-defaults.yml

@@ -875,7 +875,8 @@ misc:
     default: "false"
     description: >-
       Determines if the server will interrupt a sprinting player if they are
-      attacked
+      attacked. When set to true, you may be subject to a Vanilla bug where
+      sprinting is stopped and started when attacking players.
   light-queue-size:
     default: "20"
     description: >-