Updated dnsapi (markdown)

dnsapi.md

@@ -1082,7 +1082,7 @@ export SL_Expire=60                     # token lifetime in minutes (0-1440). De
 export SL_Login_ID=<account_id>         # account number
 export SL_Project_Name=<project_name>   # project name
 export SL_Login_Name=<login_name>       # service user name
-export SL_Pswd=<pawd>                   # user password
+export SL_Pswd=<pswd>                   # user password
 ```
 
 The account number in the control panel can be seen in the upper right corner on the provider's website