chore: fix some comments (#3728)

Signed-off-by: yetyear <[email protected]>
Co-authored-by: satoshiotomakan <[email protected]>

rust/tw_bitcoin/tests/p2tr_script_path.rs

@@ -106,7 +106,7 @@ fn coin_entry_custom_script_path() {
         .control_block(&(payload.to_owned(), LeafVersion::TapScript))
         .unwrap();
 
-    // Provide the the payload and control block directly to the builder.
+    // Provide the payload and control block directly to the builder.
     let tx1 = Proto::Input {
         txid: txid.as_slice().into(),
         vout: 0,

rust/tw_utxo/src/compiler.rs

@@ -182,7 +182,7 @@ impl Compiler<StandardBitcoinContext> {
         let weight_estimate = tx.weight().to_wu() + total_input_weight;
         let fee_estimate = (weight_estimate + 3) / 4 * proto.weight_base;
 
-        // Check if there are enough inputs to cover the the full output and fee estimate.
+        // Check if there are enough inputs to cover the full output and fee estimate.
         if total_input_amount < total_output_amount + fee_estimate {
             return Err(Error::from(Proto::Error::Error_insufficient_inputs));
         }

trezor-crypto/crypto/bignum.c

@@ -46,7 +46,7 @@
  A limb of a bignum256 is *normalized* iff it's less than 2**29.
  A bignum256 is *normalized* iff every its limb is normalized.
  A number is *fully reduced modulo p* iff it is less than p.
- A number is *partly reduced modulo p* iff is is less than 2*p.
+ A number is *partly reduced modulo p* iff it is less than 2*p.
  The number p is usually a prime number such that 2^256 - 2^224 <= p <= 2^256.
 
  All functions except bn_fast_mod expect that all their bignum256 inputs are