Docs:update BoAT_User_Guide_en.md
modify the issue suggestion  1 & 7
### Overview
This article introduces the functions and usage of BoAT IoT Framework SDK 2.x.
-The intended readers of this article are customers who integrate the BoAT IoT Framework SDK.
+The intended readers of this guide are customers who integrate the BoAT IoT Framework SDK.
### Abbreviated Terms
|Term |Explanation |
@@ -602,7 +602,7 @@ Parameters:
#### Delete Wallet
-Deleting the wallet will delete the persistent wallet. If the wallet has been loaded before the deletion, after the deletion, the persistent wallet will become a one-time wallet, which can still be used before being unload.
+Deleting the wallet will delete the persistent wallet. If the wallet has been loaded before the deletion, the persistent wallet will become a one-time wallet, which can still be used before being unloaded.
````
void BoatWalletDelete(BCHAR *wallet_name_str);
