docs: router writes to partitions
Though it can write to different topics, it currently writes to
different partitions.
//! * Enforcing schema validation & synchronising it within the catalog.
//! * Deriving the partition key of each DML operation.
//! * Applying sharding logic.
-//! * Push resulting operations into the appropriate kafka topics.
+//! * Push resulting operations into the appropriate kafka partitions.
#![deny(
rustdoc::broken_intra_doc_links,
