diff --git a/README.md b/README.md
index 11349f525..474f717d2 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Try out Parseable server with our demo instance. Send log data to default log st
 ```sh
 curl --location --request POST 'https://demo.parseable.io/api/v1/logstream/frontend' \
 --header 'X-P-META-meta1: value1' \
---header 'X-P-TAGS-tag1: value1' \
+--header 'X-P-TAG-tag1: value1' \
 --header 'Authorization: Basic cGFyc2VhYmxlOnBhcnNlYWJsZQ==' \
 --header 'Content-Type: application/json' \
 --data-raw '[
diff --git a/server/src/handlers/event.rs b/server/src/handlers/event.rs
index c0df0570e..0b04e931f 100644
--- a/server/src/handlers/event.rs
+++ b/server/src/handlers/event.rs
@@ -31,7 +31,7 @@ use crate::storage::ObjectStorage;
 use crate::utils::header_parsing::collect_labelled_headers;
 use crate::utils::{self, merge};
 
-const PREFIX_TAGS: &str = "x-p-tags-";
+const PREFIX_TAGS: &str = "x-p-tag-";
 const PREFIX_META: &str = "x-p-meta-";
 const SEPARATOR: char = '^';