Update error message

Author: intitni

Tool/Package.swift

@@ -52,6 +52,7 @@ let package = Package(
         .library(name: "CommandHandler", targets: ["CommandHandler"]),
         .library(name: "CodeDiff", targets: ["CodeDiff"]),
         .library(name: "BuiltinExtension", targets: ["BuiltinExtension"]),
+        .library(name: "BingSearchService", targets: ["BingSearchService"]),
     ],
     dependencies: [
         // A fork of https://github.com/aespinilla/Tiktoken to allow loading from local files.

Tool/Sources/BingSearchService/BingSearchService.swift

@@ -37,7 +37,7 @@ enum BingSearchError: Error, LocalizedError {
         case let .searchURLFormatIncorrect(url):
             return "The search URL format is incorrect: \(url)"
         case .subscriptionKeyNotAvailable:
-            return "The I didn't provide a subscription key to use Bing search."
+            return "Bing search subscription key is not available, please set it up in the service tab."
         }
     }
 }