Update docs/reference/release-notes/8.19.1.asciidoc

Co-authored-by: Vlada Chirmicci <[email protected]>

Author: charlotte-hoblik

docs/reference/release-notes/8.19.1.asciidoc

@@ -16,7 +16,7 @@ Data streams::
 ===============
 Auto-sharding for data streams caused unsupported replica scaling when the index mode was set to `LOOKUP`. 
 This happened because lookup mappers do not support scaling beyond one replica.
-{es-pull}131429[#131429] resolves this issue by disabling auto-sharding for data streams with LOOKUP index mode, avoiding unsupported replica settings.
+{es-pull}131429[#131429] resolves this issue by disabling auto-sharding for data streams with `LOOKUP` index mode, avoiding unsupported replica settings.
 ===============
 
 EQL::