fix: update comment in .env.sample to PLATFORM_WALLET_KEY

Signed-off-by: Duzzann <[email protected]>

Author: Duzzann

.env.sample

@@ -91,7 +91,7 @@ AFJ_VERSION=afj-0.4.1:latest
 FIDO_API_ENDPOINT=http://localhost:8000     # Host:port of your FIDO (WebAuthn) Server
 
 PLATFORM_WALLET_NAME=platform-admin
-PLATFORM_WALLET_KEY=      // Please provide encrypt password using crypto-js
+PLATFORM_WALLET_KEY=      // Please provide encrypt key using crypto-js
 PLATFORM_SEED=                 // The seed should consist of 32 characters.
 PLATFORM_ID=