fix: update

Author: aoikurokawa

content/docs/hello-world-ncn/jito-restaking.mdx

@@ -58,7 +58,7 @@ Operators are the entities that perform working and participate in the consensus
 ```bash
 solana-keygen grind --starts-with ope:1
 mkdir -p credentials/operator
-mv opeKDrPSPhLYFFRpsPTLU6o86f4AFcFvNMRvbdifhvq.json ./credentials/ope/
+mv opeKDrPSPhLYFFRpsPTLU6o86f4AFcFvNMRvbdifhvq.json ./credentials/operator
 ```
 
 Similar to the NCN keypair, this creates a vanity address starting with "opt:1" for Hello World operator admin, making it easier to identify in transaction and logs.