diff --git a/Cargo.toml b/Cargo.toml
index 9dd914f06..e8b7ed02e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "difftastic"
-description = "A diff that understands syntax"
+description = "A structural diff that understands syntax"
 repository = "https://github.com/wilfred/difftastic"
 homepage = "http://difftastic.wilfred.me.uk/"
 license = "MIT"
diff --git a/README.md b/README.md
index 8eccc15ca..8c4279358 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
   <a href="https://codecov.io/gh/Wilfred/difftastic"><img src="https://img.shields.io/codecov/c/github/Wilfred/difftastic?style=flat-square&token=dZzAZtQT2S" alt="codecov.io"></a>
 </p>
 
-Difftastic is an experimental diff tool that compares files based on
+Difftastic is a structural diff tool that compares files based on
 their syntax.
 
 **For installation instructions, see
diff --git a/manual/src/introduction.md b/manual/src/introduction.md
index cfd4f2362..db03fcb90 100644
--- a/manual/src/introduction.md
+++ b/manual/src/introduction.md
@@ -1,7 +1,8 @@
 # Introduction
 
-Difftastic is a diff tool that understands syntax. It supports [over
-20 programming languages](./languages_supported.html) and when it works, it's *fantastic*.
+Difftastic is a structural diff tool that understands syntax. It
+supports [over 20 programming languages](./languages_supported.html)
+and when it works, it's *fantastic*.
 
 Difftastic is open source software (MIT license) and [available on
 GitHub](https://github.com/wilfred/difftastic).