docs: correction comments (#860)

* Update repairable.rs

* Update refresh.rs

* Update repairable.rs

* Update lib.rs

Author: reject-i

frost-core/src/keys/repairable.rs

@@ -2,7 +2,7 @@
 //!
 //! Implements the Repairable Threshold Scheme (RTS) from <https://eprint.iacr.org/2017/1155>.
 //! The RTS is used to help a signer (participant) repair their lost share. This is achieved
-//! using a subset of the other signers know here as `helpers`.
+//! using a subset of the other signers known here as `helpers`.
 
 use alloc::collections::{BTreeMap, BTreeSet};
 

frost-core/src/lib.rs

@@ -682,7 +682,7 @@ fn detect_cheater<C: Ciphersuite>(
 /// for which the signature share was produced and with the group's
 /// `verifying_key`.
 ///
-/// This is not required for regular FROST usage but might useful in certain
+/// This is not required for regular FROST usage but might be useful in certain
 /// situations where it is desired to verify each individual signature share
 /// before aggregating the signature.
 pub fn verify_signature_share<C: Ciphersuite>(

frost-core/src/tests/refresh.rs

@@ -18,7 +18,7 @@ use alloc::vec::Vec;
 
 use super::ciphersuite_generic::check_sign;
 
-/// We want to test that recover share matches the original share
+/// We want to test that recovered share matches the original share
 pub fn check_refresh_shares_with_dealer<C: Ciphersuite, R: RngCore + CryptoRng>(mut rng: R) {
     // Compute shares
 

frost-core/src/tests/repairable.rs

@@ -16,7 +16,7 @@ use crate::{
     Ciphersuite, Error, Field, Group, Identifier, Scalar,
 };
 
-/// We want to test that recover share matches the original share
+/// We want to test that recovered share matches the original share
 pub fn check_rts<C: Ciphersuite, R: RngCore + CryptoRng>(mut rng: R) {
     // Compute shares