typo fixes (anza-xyz#4825)

Author: maximevtush

ledger/src/shred/merkle.rs

@@ -639,7 +639,7 @@ impl ShredCodeTrait for ShredCode {
     }
 }
 
-// Obtains parent's hash by joining two sibiling nodes in merkle tree.
+// Obtains parent's hash by joining two sibling nodes in merkle tree.
 fn join_nodes<S: AsRef<[u8]>, T: AsRef<[u8]>>(node: S, other: T) -> Hash {
     let node = &node.as_ref()[..SIZE_OF_MERKLE_PROOF_ENTRY];
     let other = &other.as_ref()[..SIZE_OF_MERKLE_PROOF_ENTRY];
@@ -915,7 +915,7 @@ pub(super) fn recover(
             shred.merkle_node()
         });
     let tree = make_merkle_tree(nodes)?;
-    // The attched signature verfies only if we obtain the same Merkle root.
+    // The attached signature verifies only if we obtain the same Merkle root.
     // Because shreds obtained from turbine or repair are sig-verified, this
     // also means that we don't need to verify signatures for recovered shreds.
     if tree.last() != Some(&merkle_root) {
@@ -1202,7 +1202,7 @@ pub(super) fn make_shreds_from_data(
     if !data.is_empty() || shreds.is_empty() {
         // Should generate at least one data shred (which may have no data).
         // Last erasure batch should also be padded with empty data shreds to
-        // make >= 32 data shreds. This gaurantees that the batch cannot be
+        // make >= 32 data shreds. This guarantees that the batch cannot be
         // recovered unless 32+ shreds are received from turbine or repair.
         let min_num_data_shreds = if is_last_in_slot {
             DATA_SHREDS_PER_FEC_BLOCK

sdk/secp256r1-program/src/lib.rs

@@ -585,7 +585,7 @@ mod target_arch {
 
             // Since Transaction::verify_precompiles only returns a vague
             // `InvalidAccountIndex` error on precompile failure, we use verify()
-            // here direclty to check for the specific
+            // here directly to check for the specific
             // InvalidSignatureValueRange error
             let tx_fail = verify(
                 instruction.data.as_slice(),

zk-token-sdk/src/sigma_proofs/pubkey_proof.rs

@@ -95,7 +95,7 @@ impl PubkeyValidityProof {
     ) -> Result<(), PubkeyValidityProofVerificationError> {
         transcript.pubkey_proof_domain_separator();
 
-        // extract the relvant scalar and Ristretto points from the input
+        // extract the relevant scalar and Ristretto points from the input
         let P = elgamal_pubkey.get_point();
 
         // include Y to transcript and extract challenge