Update src/pages/guides/javascript/how-to-create-an-spl-token-on-solana.md

Co-authored-by: MarkSackerberg <93528482+MarkSackerberg@users.noreply.github.com>

src/pages/guides/javascript/how-to-create-an-spl-token-on-solana.md

@@ -103,7 +103,7 @@ const umi = createUmi('https://api.devnet.solana.com')
 // Generate a new keypair signer.
 const signer = generateSigner(umi)
 
-// Tell umit to use the new signer.
+// Tell umi to use the new signer.
 umi.use(signerIdentity(signer))
 
 // Airdrop 1 SOL to the identity