diff --git a/docs/src/associated-token-account.md b/docs/src/associated-token-account.md
index ef6f6634..73ff2352 100644
--- a/docs/src/associated-token-account.md
+++ b/docs/src/associated-token-account.md
@@ -50,8 +50,8 @@ const SPL_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM_ID: PublicKey = new PublicKey(
 );
 
 async function findAssociatedTokenAddress(
-    walletAddress: Publickey,
-    tokenMintAddress: Publickey
+    walletAddress: PublicKey,
+    tokenMintAddress: PublicKey
 ): Promise<PublicKey> {
     return (await PublicKey.findProgramAddress(
         [