chore: fix some minor issues in the comments

block/internal/submitting/da_submitter.go

@@ -179,7 +179,7 @@ func (s *DASubmitter) SubmitHeaders(ctx context.Context, cache cache.Manager, si
 	return submitToDA(s, ctx, headers,
 		func(header *types.SignedHeader) ([]byte, error) {
 			// A. Marshal the inner SignedHeader content to bytes (canonical representation for signing)
-			//    This effectively signs "Fields 1-3" of the intended DAHeaderEnvelope.
+			// This effectively signs "Fields 1-3" of the intended DAHeaderEnvelope.
 			contentBytes, err := header.MarshalBinary()
 			if err != nil {
 				return nil, fmt.Errorf("failed to marshal signed header for envelope signing: %w", err)

client/crates/client/src/lib.rs

@@ -41,7 +41,7 @@
 //!         .connect_timeout(Duration::from_secs(10))
 //!         .build()
 //!         .await?;
-//!     
+//!
 //!     Ok(())
 //! }
 //! ```
@@ -60,17 +60,17 @@
 //!         .tls()  // Enable TLS with default configuration
 //!         .build()
 //!         .await?;
-//!     
+//!
 //!     // Or with custom TLS configuration
 //!     let tls_config = ClientTlsConfig::new()
 //!         .domain_name("secure-node.ev.xyz");
-//!     
+//!
 //!     let client = Client::builder()
 //!         .endpoint("https://secure-node.ev.xyz")
 //!         .tls_config(tls_config)
 //!         .build()
 //!         .await?;
-//!     
+//!
 //!     Ok(())
 //! }
 //! ```