Rename Relationship methods section to Retrieval methods

docs/api/node.md

@@ -2,13 +2,11 @@
 
 ## Static methods
 
-- [Getter methods](#getter-methods)
+- [Retrieval methods](#retrieval-methods)
 - [Text methods](#text-methods)
 - [Check methods](#check-methods)
 
-### Getter methods
-
-Methods used to retrieve nodes.
+### Retrieval methods
 
 ###### `Node.ancestor(root: Node, path: Path): Ancestor`
 

docs/api/path.md

@@ -8,13 +8,11 @@ type Path = number[]
 
 ## Static methods
 
-- [Relationship methods](#relationship-methods)
+- [Retrieval methods](#retrieval-methods)
 - [Check methods](#check-methods)
 - [Transform method](#transform-method)
 
-### Relationship methods
-
-The relationships around the Path like its ancestors, next sibling, etc.
+### Retrieval methods
 
 ###### `Path.ancestors(path: Path, options: { reverse?: boolean } = {}): Path[]`
 

docs/api/point.md

@@ -12,11 +12,11 @@ interface Point {
 
 ## Static methods
 
-- [Relationship methods](#relationship-methods)
+- [Retrieval methods](#retrieval-methods)
 - [Check methods](#check-methods)
 - [Transform method](#transform-method)
 
-### Relationship methods
+### Retrieval methods
 
 ###### `Point.compare(point: Point, another: Point): -1 | 0 | 1`
 

docs/api/range.md

@@ -12,13 +12,11 @@ interface Range {
 
 ## Static methods
 
-- [Relationship methods](#relationship-methods)
+- [Retrieval methods](#retrieval-methods)
 - [Check methods](#check-methods)
 - [Transform method](#transform-method)
 
-### Relationship methods
-
-Relationship of a Range like its start and end points and the intersection with another Range.
+### Retrieval methods
 
 ###### `Range.edges(range: Range, options?): [Point, Point]`