1 files changed, 10 insertions, 1 deletions

diff --git a/src/api/wix/WixToolset.Extensibility/IBackendFactory.cs b/src/api/wix/WixToolset.Extensibility/IBackendFactory.cs
index 99a6704f..7f9ef62d 100644
--- a/src/api/wix/WixToolset.Extensibility/IBackendFactory.cs
+++ b/src/api/wix/WixToolset.Extensibility/IBackendFactory.cs
@@ -2,9 +2,18 @@
 
 namespace WixToolset.Extensibility
 {
-#pragma warning disable 1591 // TODO: add documentation
+    /// <summary>
+    /// Implemented by extensions to create backends.
+    /// </summary>
     public interface IBackendFactory
     {
+        /// <summary>
+        /// Called to find the backend used to produce the requested output type.
+        /// </summary>
+        /// <param name="outputType">Type of output being created.</param>
+        /// <param name="outputPath">Path to the output to create.</param>
+        /// <param name="backend">The backend for the output.</param>
+        /// <returns>True if the backend was created, otherwise false.</returns>
         bool TryCreateBackend(string outputType, string outputPath, out IBackend backend);
     }
 }