Keeping existing comment

Author: dedeleono

programs/system/src/instructions/advance_nonce_account.rs

@@ -37,7 +37,7 @@ impl AdvanceNonceAccount<'_> {
             AccountMeta::readonly_signer(self.authority.key()),
         ];
 
-        // instruction data uses 4-byte LE discriminator expected by the system program
+        // instruction
         let instruction = Instruction {
             program_id: &crate::ID,
             accounts: &account_metas,

programs/system/src/instructions/upgrade_nonce_account.rs

@@ -21,7 +21,7 @@ impl UpgradeNonceAccount<'_> {
         // account metadata
         let account_metas: [AccountMeta; 1] = [AccountMeta::writable(self.account.key())];
 
-        // instruction data uses 4-byte LE discriminator expected by the system program
+        // instruction
         let instruction = Instruction {
             program_id: &crate::ID,
             accounts: &account_metas,