diff --git a/README.md b/README.md
index 8da9509ce39..e54883f6eed 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,8 @@ documentation of each of its APIs.
 * Most feature-complete implementation of Apache Arrow after the reference implementation (C++)
   * Float 16 unsupported (not a Rust native type)
   * Decimal 256 unsupported (not a Rust native type)
-* FFI supported for all Arrow types
+* C data interface supported for all Arrow types (read and write)
+* C stream interface supported for all Arrow types (read and write)
 * Full interoperability with Rust's `Vec`
 * MutableArray API to work with bitmaps and arrays in-place
 * Full support for timestamps with timezones, including arithmetics that take