Require tags to have at least one string

fixes #1193

1 files changed, 1 insertions, 1 deletions

diff --git a/01.md b/01.md
index a91febc..8be85bc 100644
--- a/01.md
+++ b/01.md
@@ -56,7 +56,7 @@ To prevent implementation differences from creating a different event ID for the
 
 ### Tags
 
-Each tag is an array of strings of arbitrary size, with some conventions around them. Take a look at the example below:
+Each tag is an array of one or more strings, with some conventions around them. Take a look at the example below:
 
 ```jsonc
 {