Correct grammer

Author: Ryu0118

Sources/ProjectSpec/Project.swift

@@ -177,10 +177,10 @@ extension Project {
         do {
             settings = try jsonDictionary.json(atKeyPath: "settings")
         } catch let specParsingError as SpecParsingError {
-            // Rethrow SpecParsingError to prevent misuse of settings.configs
+            // Re-throw `SpecParsingError` to prevent the misuse of settings.configs.
             throw specParsingError
         } catch {
-            // Ignore any errors other than SpecParsingError
+            // Ignore all errors except `SpecParsingError`
             settings = .empty
         }
 

Sources/ProjectSpec/SpecParsingError.swift

@@ -48,7 +48,7 @@ public enum SpecParsingError: Error, CustomStringConvertible {
         case let .unknownBreakpointActionSoundName(name):
             return "Unknown Breakpoint Action sound name: \(name)"
         case let .invalidConfigsMappingFormat(keys):
-            return "The value for \"\(keys.sorted().joined(separator: ", "))\" in configs must be a dictionary"
+            return "Invalid format: The value for \"\(keys.sorted().joined(separator: ", "))\" in `configs` must be mapping format"
         }
     }
 }