diff --git a/Octokit/Clients/IRepositoryContentsClient.cs b/Octokit/Clients/IRepositoryContentsClient.cs
index b072dc17..daf12728 100644
--- a/Octokit/Clients/IRepositoryContentsClient.cs
+++ b/Octokit/Clients/IRepositoryContentsClient.cs
@@ -80,7 +80,7 @@ namespace Octokit
         Task<Readme> GetReadme(string owner, string name);
 
         /// <summary>
-        /// Gets the perferred README's HTML for the specified repository.
+        /// Gets the preferred README's HTML for the specified repository.
         /// </summary>
         /// <remarks>
         /// See the <a href="http://developer.github.com/v3/repos/contents/#get-the-readme">API documentation</a> for more information.
diff --git a/Octokit/Clients/RepositoryContentsClient.cs b/Octokit/Clients/RepositoryContentsClient.cs
index 7f3081c2..3b835d35 100644
--- a/Octokit/Clients/RepositoryContentsClient.cs
+++ b/Octokit/Clients/RepositoryContentsClient.cs
@@ -131,7 +131,7 @@ namespace Octokit
         }
 
         /// <summary>
-        /// Gets the perferred README's HTML for the specified repository.
+        /// Gets the preferred README's HTML for the specified repository.
         /// </summary>
         /// <remarks>
         /// See the <a href="http://developer.github.com/v3/repos/contents/#get-the-readme">API documentation</a> for more information.