Fix: Correct typos in comments and add empty proof constant

js/compressed-token/src/layout.ts

@@ -531,7 +531,7 @@ export const CompressedTokenInstructionDataRevokeLayout = struct([
     u8('outputAccountMerkleTreeIndex'),
 ]);
 
-// Approve and revoke instuctions do not support optional proof yet.
+// Approve and revoke instructions do not support optional proof yet.
 const emptyProof: ValidityProof = {
     a: new Array(32).fill(0),
     b: new Array(64).fill(0),

program-tests/system-cpi-v2-test/tests/invoke_cpi_with_read_only.rs

@@ -3246,7 +3246,7 @@ pub mod local_sdk {
         /// If the provided `pubkey` is not a part of the collection, it gets
         /// inserted with a `next_index`.
         ///
-        /// If the privided `pubkey` already exists in the collection, its already
+        /// If the provided `pubkey` already exists in the collection, its already
         /// existing index is returned.
         pub fn insert_or_get(&mut self, pubkey: Pubkey) -> u8 {
             self.insert_or_get_config(pubkey, false, true)

programs/compressed-token/src/delegation.rs

@@ -35,7 +35,7 @@ pub struct CompressedTokenInstructionDataApprove {
 }
 
 /// Processes an approve instruction.
-/// - creates an output compressed acount which is delegated to the delegate.
+/// - creates an output compressed account which is delegated to the delegate.
 /// - creates a change account for the remaining amount (sum inputs - delegated amount).
 /// - ignores prior delegations.
 /// 1. unpack instruction data and input compressed accounts