diff --git a/README.md b/README.md
index 9274e61..24b957f 100644
--- a/README.md
+++ b/README.md
@@ -130,7 +130,7 @@ output. It only owns the immutable, presentation-neutral data model passed betwe
 
 - [Installation](docs/installation.md): install the development package and verify it.
 - [Getting started](docs/getting-started.md): create a snippet and inspect a selected line.
-- [Model](docs/model.md): work with snippets, lines, annotations, segments, and transformations.
+- [Usage](docs/usage.md): work with snippets, lines, annotations, segments, and transformations.
 - [Documentation index](docs/index.md): read the package overview and boundaries.
 
 ## Contributing
diff --git a/docs/getting-started.md b/docs/getting-started.md
index 013f17e..eb50e02 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -38,4 +38,4 @@ index=3 number=26 selected=true
 
 `selectLines()` uses one-based positions inside the snippet. Selection marks a
 line; it does not remove the other lines or define a visual effect. Continue
-with the [model](model.md) to annotate, slice, indent, and export snippets.
+with the [usage guide](usage.md) to annotate, slice, indent, and export snippets.
diff --git a/docs/index.md b/docs/index.md
index 7255ffb..0ced9f1 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -17,7 +17,7 @@ echo $snippet->lines()[2]->number; // 26
 
 - [Installation](installation.md): install the package and verify it can create a snippet.
 - [Getting started](getting-started.md): create a snippet and inspect a selected line.
-- [Model](model.md): work with snippets, lines, annotations, segments, and transformations.
+- [Usage](usage.md): work with snippets, lines, annotations, segments, and transformations.
 
 The package owns the portable snippet model. It does not read files, detect
 languages, locate declarations, tokenize code, or render output.
diff --git a/docs/model.md b/docs/usage.md
similarity index 99%
rename from docs/model.md
rename to docs/usage.md
index 2e8756f..50dc0bc 100644
--- a/docs/model.md
+++ b/docs/usage.md
@@ -1,4 +1,4 @@
-# Model
+# Usage
 
 Code Snippet represents source text and presentation hints with four immutable
 values. Transformations return a new value, so the original snippet remains