diff --git a/docs/index.md b/docs/index.md
index 62a4713..27aa183 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -11,7 +11,22 @@ However, this data often exists only in clinical text, and not in any structured
## Features
### Recommendations
+
+
### Pre-Annotations
+
+
+### Search
+
+
+### UMLS Linking
+
+
+### Concept Categories
+
+
+### Flexible Annotation
+
## How to Use
### Installation Instructions