Fix typo in action description. (#413)

* Update Africa's Talking Payments connector

* Include host policy instances to Africa's Talking payments connector

* Fix typo

* Add sanbox Athena option in list of providers

Co-authored-by: Crispin Kipruto <crispin.kipruto@africastalking.com>

Author: crispinkoech

certified-connectors/Africa's Talking Payments/apiDefinition.swagger.json

@@ -53,7 +53,8 @@
                   "x-ms-visibility": "important",
                   "enum": [
                     "Mpesa",
-                    "TigoTanzania"
+                    "TigoTanzania",
+                    "Athena"
                   ]
                 },
                 "transferType": {
@@ -699,7 +700,8 @@
               "Mpesa",
               "Segovia",
               "Flutterwave",
-              "Admin"
+              "Admin",
+              "Athena"
             ],
             "description": "Transaction provider you would like to consider.",
             "x-ms-summary": "Provider"

certified-connectors/Africa's Talking SMS/apiDefinition.swagger.json

@@ -25,7 +25,7 @@
     "/version1/messaging/bulk": {
       "post": {
         "summary": "Send SMS",
-        "description": "Send an sms to multiple numbers.",
+        "description": "Send an SMS to multiple numbers.",
         "operationId": "SendSms",
         "parameters": [
           {