diff --git a/docs/docfx.json b/docs/docfx.json
index 19bf113..a575fe0 100644
--- a/docs/docfx.json
+++ b/docs/docfx.json
@@ -4,13 +4,12 @@
       "src": [
         {
           "files": [ 
-            "**/*.sln", 
-            "**/*.csproj" 
+            "src/**.sln", 
+            "src/**.csproj" 
           ],
           "exclude": [ 
             "**/bin/**", 
-            "**/obj/**",
-            "**/Serilog.Sinks.Mongodb.TimeSeries.Tests/**"
+            "**/obj/**"
           ],
           "src": "../"
         }
diff --git a/src/Serilog.Sinks.Mongodb.TimeSeries/Extensions/LogEventExtensions.cs b/src/Serilog.Sinks.Mongodb.TimeSeries/Extensions/LogEventExtensions.cs
index e460c79..169f7cb 100644
--- a/src/Serilog.Sinks.Mongodb.TimeSeries/Extensions/LogEventExtensions.cs
+++ b/src/Serilog.Sinks.Mongodb.TimeSeries/Extensions/LogEventExtensions.cs
@@ -9,7 +9,7 @@ namespace Serilog.Sinks.Mongodb.TimeSeries.Extensions
     /// <summary>
     ///     Contains all extensions methods for <see cref="LogEvent" />.
     /// </summary>
-    public static class LogEventExtensions
+    internal static class LogEventExtensions
     {
         /// <summary>
         ///     Converts a <see cref="IEnumerable{T}" /> of <see cref="LogEvent" />s to <see cref="IEnumerable{T}" /> of