diff --git a/README.md b/README.md
index a9c016a..1c61c1a 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,13 @@ vte
 Parser for implementing virtual terminal emulators in Rust.
 
 The parser is implemented according to [Paul Williams' ANSI parser state
-machine]. The state machine doesn't assign meaning to the parsed data and is
-thus not itself sufficient for writing a terminal emulator. Instead, it is
-expected that an implementation of the `Perform` trait which does something
-useful with the parsed data. The `Parser` handles the book keeping, and the
-`Perform` gets to simply handle actions.
+machine], modified to work in terms of UTF-8 encodings.
+
+The state machine doesn't assign meaning to the parsed data and is thus not
+itself sufficient for writing a terminal emulator. Instead, it is expected that
+an implementation of the `Perform` trait which does something useful with the
+parsed data. The `Parser` handles the book keeping, and the `Perform` gets to
+simply handle actions.
 
 See the [docs] for more info.
 
diff --git a/src/lib.rs b/src/lib.rs
index a7b92f2..ac546fa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,11 +1,13 @@
 //! Parser for implementing virtual terminal emulators
 //!
 //! [`Parser`] is implemented according to [Paul Williams' ANSI parser
-//! state machine]. The state machine doesn't assign meaning to the parsed data
-//! and is thus not itself sufficient for writing a terminal emulator. Instead,
-//! it is expected that an implementation of [`Perform`] is provided which does
-//! something useful with the parsed data. The [`Parser`] handles the book
-//! keeping, and the [`Perform`] gets to simply handle actions.
+//! state machine], modified to work in terms of UTF-8 encodings.
+//!
+//! The state machine doesn't assign meaning to the parsed data and is thus not
+//! itself sufficient for writing a terminal emulator. Instead, it is expected that
+//! an implementation of [`Perform`] is provided which does something useful with the
+//! parsed data. The [`Parser`] handles the book keeping, and the [`Perform`] gets to
+//! simply handle actions.
 //!
 //! # Examples
 //!