diff --git a/README.md b/README.md
index 32f50229b..bb931084f 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ Here are some of the key features:
 - flexible and succinct KML generation
 - delimiter-separated text dump
 - implicit conversion operators for JSON geometries
+- supports geometry conversion to and from well-known text (WKT)
 - z coordinates support
 - support for extra ArcGIS Rest query string parameters
 - Unicode tested
@@ -36,6 +37,7 @@ Here are some of the key features:
 - supports ArcGIS Server 10.0 and up
 - supports .NET 4.0 and up
 - supports .NET Core, ASP.NET 5 and Windows 10 UWP
+- runs on OS X via Mono
 - strong support for fluent programming in C# and Visual Basic
 
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