update tmp working and link name

src/App.tsx

@@ -262,7 +262,7 @@ function App() {
                 className={classes.link}
                 to="register"
               >
-                xAsset
+                Register Token
               </Link>
               <Box>
                 <Link

src/components/Attest/index.tsx

@@ -71,6 +71,11 @@ function Attest() {
           </Link>
         </Typography>
       </Alert>
+      <Alert severity="warning" className={classes.alert}>
+        <Typography variant="body1">
+          Use this feature under your own risk, be sure you understand what are you doing
+        </Typography>
+      </Alert>
       <Stepper activeStep={activeStep} orientation="vertical">
         <Step
           expanded={activeStep >= 0}