diff --git a/116.md b/116.md
index 6737ddb4..60e64277 100644
--- a/116.md
+++ b/116.md
@@ -14,7 +14,7 @@ Relays should parse the event directory from the event path `d` tag and index th
 
 For backward compatibility, the event directory should also be saved in the event's `f` tag (for "folder"), which is already indexed by some relay implementations, and can be queried using the `#f` filter.
 
-Event content should be a JSON-encoded value. An empty object `{}` signifies that the entry at the event path is itself a directory. For example, when saving `user/profile/name`: `Bob`, you should also save `user/profile`: `{}` so the subdirectory can be listed under `user`.
+Event content must be a JSON-encoded value. An empty object `{}` signifies that the entry at the event path is itself a directory. For example, when saving `user/profile/name`: `Bob`, you should also save `user/profile`: `{}` so the subdirectory can be listed under `user`.
 
 In directory names, slashes should be escaped with a double slash.