diff --git a/Sources/AutomergeRepo/Sync/SyncV1Msg+Errors.swift b/Sources/AutomergeRepo/Sync/SyncV1Msg+Errors.swift
index 25b70ef..70be599 100644
--- a/Sources/AutomergeRepo/Sync/SyncV1Msg+Errors.swift
+++ b/Sources/AutomergeRepo/Sync/SyncV1Msg+Errors.swift
@@ -4,14 +4,23 @@ public extension SyncV1Msg {
     enum Errors: Sendable {
         public struct Timeout: Sendable, LocalizedError {
             public var errorDescription: String = "Task timed out before completion"
+            public init(errorDescription: String) {
+                self.errorDescription = errorDescription
+            }
         }
 
         public struct SyncComplete: Sendable, LocalizedError {
             public var errorDescription: String = "The synchronization process is complete"
+            public init(errorDescription: String) {
+                self.errorDescription = errorDescription
+            }
         }
 
         public struct ConnectionClosed: Sendable, LocalizedError {
             public var errorDescription: String = "The websocket task was closed and/or nil"
+            public init(errorDescription: String) {
+                self.errorDescription = errorDescription
+            }
         }
 
         public struct InvalidURL: Sendable, LocalizedError {