Update crates/tap-agent/src/lib.rs

Co-authored-by: Joseph Livesey <[email protected]>

Author: gusinacio

crates/tap-agent/src/lib.rs

@@ -8,7 +8,7 @@
 //! This software is used to monitor receipts inserted in the database
 //! and to keep track of all the values across different allocations.
 //!
-//! It's main goal is that the value never goes below the balance available
+//! Its main goal is that the value never goes below the balance available
 //! in the escrow account for a given sender.
 
 use indexer_config::Config;