fix : doc's typos

docs/API.md

@@ -1,6 +1,6 @@
 # API Docs
 
-Mintpool exposes a REST API for interacting with the node. The API is ratelimited by default to
+Mintpool exposes a REST API for interacting with the node. The API is rate-limited by default to
 prevent spam requests.
 See `src/api/mod.rs` for router definition
 

docs/DEVELOPMENT.md

@@ -83,7 +83,7 @@ tracing::info!(monotonic_counter.number = 1);
 tracing::info!(counter.example3 = 1, other_fields="will be included in tags", "Be careful about cardinality");
 ```
 
-**Don't put log lines in the same trace statements as metrics, especially if theres a format
+**Don't put log lines in the same trace statements as metrics, especially if there is a format
 variable in the log line,
 they will blow up you metrics cardinality and cost a lot of money if you use DataDog**
 

src/chain.rs

@@ -35,7 +35,7 @@ where
         })
 }
 
-/// Checks for new premints being brought onchain then sends to controller to handle
+/// Checks for new premints being brought onchain then sends to the controller to handle
 pub struct MintChecker {
     chain_id: u64,
     controller: ControllerInterface,