doc: typos (#120)

Author: maximevtush

crates/starknet-types-core/src/felt/mod.rs

@@ -281,7 +281,7 @@ impl Felt {
         Self(self.0.pow(exponent.0.representative()))
     }
 
-    // Implemention taken from Jonathan Lei's starknet-rs
+    // Implementation taken from Jonathan Lei's starknet-rs
     // https://github.com/xJonathanLEI/starknet-rs/blob/a3a0050f80e90bd40303256a85783f4b5b18258c/starknet-crypto/src/fe_utils.rs#L20
     /// Modular multiplication between `self` and `rhs` in modulo `p`.
     pub fn mul_mod(&self, rhs: &Self, p: &NonZeroFelt) -> Self {
@@ -299,7 +299,7 @@ impl Felt {
         Felt::from_bytes_be(&result)
     }
 
-    // Implemention taken from Jonathan Lei's starknet-rs
+    // Implementation taken from Jonathan Lei's starknet-rs
     // https://github.com/xJonathanLEI/starknet-rs/blob/a3a0050f80e90bd40303256a85783f4b5b18258c/starknet-crypto/src/fe_utils.rs#L46
     /// Multiplicative inverse of `self` in modulo `p`.
     pub fn mod_inverse(&self, p: &NonZeroFelt) -> Option<Self> {