Add description for d tag value

1 files changed, 1 insertions, 1 deletions

diff --git a/33.md b/33.md
index 10681fa..c93c36e 100644
--- a/33.md
+++ b/33.md
@@ -10,7 +10,7 @@ This NIP adds a new event range that allows for replacement of events that have
 
 Implementation
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-The value of a tag is defined as the first parameter of a tag after the tag name.
+The value of a tag can be any string and is defined as the first parameter of a tag after the tag name.
 
 A *parameterized replaceable event* is defined as an event with a kind `30000 <= n < 40000`.
 Upon a parameterized replaceable event with a newer timestamp than the currently known latest