diff --git a/packages/modeling/src/operations/booleans/intersect.js b/packages/modeling/src/operations/booleans/intersect.js
index 549d02e41..2ef822ee5 100644
--- a/packages/modeling/src/operations/booleans/intersect.js
+++ b/packages/modeling/src/operations/booleans/intersect.js
@@ -8,12 +8,12 @@ import intersectGeom2 from './intersectGeom2.js'
 import intersectGeom3 from './intersectGeom3.js'
 
 /**
- * Return a new geometry representing space in both the first geometry and
+ * Return a geometry representing space in both the first geometry and
  * all subsequent geometries.
  * The given geometries should be of the same type, either geom2 or geom3.
  *
  * @param {...Object} geometries - list of geometries
- * @returns {geom2|geom3} a new geometry
+ * @returns {geom2|geom3} a geometry
  * @alias module:modeling/booleans.intersect
  *
  * @example
diff --git a/packages/modeling/src/operations/booleans/intersectGeom2.js b/packages/modeling/src/operations/booleans/intersectGeom2.js
index 2a5723e41..9d1eab97c 100644
--- a/packages/modeling/src/operations/booleans/intersectGeom2.js
+++ b/packages/modeling/src/operations/booleans/intersectGeom2.js
@@ -4,10 +4,10 @@ import { INTERSECTION } from './martinez/operation.js'
 import boolean from './martinez/index.js'
 
 /*
- * Return a new 2D geometry representing space in both the first geometry and
+ * Return a 2D geometry representing space in both the first geometry and
  * in the subsequent geometries. None of the given geometries are modified.
  * @param {...geom2} geometries - list of 2D geometries
- * @returns {geom2} new 2D geometry
+ * @returns {geom2} a 2D geometry
  */
 export const intersectGeom2 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/intersectGeom3.js b/packages/modeling/src/operations/booleans/intersectGeom3.js
index 02ae4a5ce..bcfd54853 100644
--- a/packages/modeling/src/operations/booleans/intersectGeom3.js
+++ b/packages/modeling/src/operations/booleans/intersectGeom3.js
@@ -5,10 +5,10 @@ import retessellate from '../modifiers/retessellate.js'
 import intersectSub from './intersectGeom3Sub.js'
 
 /*
- * Return a new 3D geometry representing space in both the first geometry and
+ * Return a 3D geometry representing space in both the first geometry and
  * in the subsequent geometries. None of the given geometries are modified.
  * @param {...geom3} geometries - list of 3D geometries
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const intersectGeom3 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/intersectGeom3Sub.js b/packages/modeling/src/operations/booleans/intersectGeom3Sub.js
index 10030e4a0..1e5157f04 100644
--- a/packages/modeling/src/operations/booleans/intersectGeom3Sub.js
+++ b/packages/modeling/src/operations/booleans/intersectGeom3Sub.js
@@ -5,11 +5,11 @@ import { Tree } from './trees/index.js'
 import mayOverlap from './mayOverlap.js'
 
 /*
- * Return a new 3D geometry representing the space in both the first geometry and
+ * Return a 3D geometry representing the space in both the first geometry and
  * the second geometry. None of the given geometries are modified.
  * @param {geom3} geometry1 - a geometry
  * @param {geom3} geometry2 - a geometry
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const intersectGeom3Sub = (geometry1, geometry2) => {
   if (!mayOverlap(geometry1, geometry2)) {
diff --git a/packages/modeling/src/operations/booleans/subtract.js b/packages/modeling/src/operations/booleans/subtract.js
index 0c801187f..d42f0183d 100644
--- a/packages/modeling/src/operations/booleans/subtract.js
+++ b/packages/modeling/src/operations/booleans/subtract.js
@@ -8,12 +8,12 @@ import subtractGeom2 from './subtractGeom2.js'
 import subtractGeom3 from './subtractGeom3.js'
 
 /**
- * Return a new geometry representing space in the first geometry but
+ * Return a geometry representing space in the first geometry but
  * not in all subsequent geometries.
  * The given geometries should be of the same type, either geom2 or geom3.
  *
  * @param {...Object} geometries - list of geometries
- * @returns {geom2|geom3} a new geometry
+ * @returns {geom2|geom3} a geometry
  * @alias module:modeling/booleans.subtract
  *
  * @example
diff --git a/packages/modeling/src/operations/booleans/subtractGeom2.js b/packages/modeling/src/operations/booleans/subtractGeom2.js
index c91d63fda..c161095a2 100644
--- a/packages/modeling/src/operations/booleans/subtractGeom2.js
+++ b/packages/modeling/src/operations/booleans/subtractGeom2.js
@@ -4,10 +4,10 @@ import { DIFFERENCE } from './martinez/operation.js'
 import boolean from './martinez/index.js'
 
 /*
- * Return a new 2D geometry representing space in the first geometry but
+ * Return a 2D geometry representing space in the first geometry but
  * not in the subsequent geometries. None of the given geometries are modified.
  * @param {...geom2} geometries - list of geometries
- * @returns {geom2} new 2D geometry
+ * @returns {geom2} a 2D geometry
  */
 export const subtractGeom2 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/subtractGeom3.js b/packages/modeling/src/operations/booleans/subtractGeom3.js
index 4dc957e19..ba5f06be6 100644
--- a/packages/modeling/src/operations/booleans/subtractGeom3.js
+++ b/packages/modeling/src/operations/booleans/subtractGeom3.js
@@ -5,10 +5,10 @@ import retessellate from '../modifiers/retessellate.js'
 import subtractSub from './subtractGeom3Sub.js'
 
 /*
- * Return a new 3D geometry representing space in this geometry but not in the given geometries.
+ * Return a 3D geometry representing space in this geometry but not in the given geometries.
  * Neither this geometry nor the given geometries are modified.
  * @param {...geom3} geometries - list of geometries
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const subtractGeom3 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/subtractGeom3Sub.js b/packages/modeling/src/operations/booleans/subtractGeom3Sub.js
index c9226847e..cb91e0fb5 100644
--- a/packages/modeling/src/operations/booleans/subtractGeom3Sub.js
+++ b/packages/modeling/src/operations/booleans/subtractGeom3Sub.js
@@ -5,11 +5,11 @@ import { Tree } from './trees/index.js'
 import mayOverlap from './mayOverlap.js'
 
 /*
- * Return a new 3D geometry representing the space in the first geometry but not
+ * Return a 3D geometry representing the space in the first geometry but not
  * in the second geometry. None of the given geometries are modified.
  * @param {geom3} geometry1 - a geometry
  * @param {geom3} geometry2 - a geometry
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const subtractGeom3Sub = (geometry1, geometry2) => {
   if (!mayOverlap(geometry1, geometry2)) {
diff --git a/packages/modeling/src/operations/booleans/union.js b/packages/modeling/src/operations/booleans/union.js
index 4440ec820..f62df4908 100644
--- a/packages/modeling/src/operations/booleans/union.js
+++ b/packages/modeling/src/operations/booleans/union.js
@@ -8,11 +8,11 @@ import unionGeom2 from './unionGeom2.js'
 import unionGeom3 from './unionGeom3.js'
 
 /**
- * Return a new geometry representing the total space in the given geometries.
+ * Return a geometry representing the total space in the given geometries.
  * The given geometries should be of the same type, either geom2 or geom3.
  *
  * @param {...Object} geometries - list of geometries
- * @returns {geom2|geom3} a new geometry
+ * @returns {geom2|geom3} a geometry
  * @alias module:modeling/booleans.union
  *
  * @example
diff --git a/packages/modeling/src/operations/booleans/unionGeom2.js b/packages/modeling/src/operations/booleans/unionGeom2.js
index 77f572103..4f2371545 100644
--- a/packages/modeling/src/operations/booleans/unionGeom2.js
+++ b/packages/modeling/src/operations/booleans/unionGeom2.js
@@ -4,9 +4,9 @@ import { UNION } from './martinez/operation.js'
 import boolean from './martinez/index.js'
 
 /*
- * Return a new 2D geometry representing the total space in the given 2D geometries.
+ * Return a 2D geometry representing the total space in the given 2D geometries.
  * @param {...geom2} geometries - list of 2D geometries to union
- * @returns {geom2} new 2D geometry
+ * @returns {geom2} a 2D geometry
  */
 export const unionGeom2 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/unionGeom3.js b/packages/modeling/src/operations/booleans/unionGeom3.js
index 42a7a11a1..5303c4e9e 100644
--- a/packages/modeling/src/operations/booleans/unionGeom3.js
+++ b/packages/modeling/src/operations/booleans/unionGeom3.js
@@ -5,9 +5,9 @@ import retessellate from '../modifiers/retessellate.js'
 import unionSub from './unionGeom3Sub.js'
 
 /*
- * Return a new 3D geometry representing the space in the given 3D geometries.
+ * Return a 3D geometry representing the space in the given 3D geometries.
  * @param {...objects} geometries - list of geometries to union
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const unionGeom3 = (...geometries) => {
   geometries = flatten(geometries)
diff --git a/packages/modeling/src/operations/booleans/unionGeom3Sub.js b/packages/modeling/src/operations/booleans/unionGeom3Sub.js
index 48789bcf6..6949e3540 100644
--- a/packages/modeling/src/operations/booleans/unionGeom3Sub.js
+++ b/packages/modeling/src/operations/booleans/unionGeom3Sub.js
@@ -5,10 +5,10 @@ import { Tree } from './trees/index.js'
 import mayOverlap from './mayOverlap.js'
 
 /*
- * Return a new 3D geometry representing the space in the given geometries.
+ * Return a 3D geometry representing the space in the given geometries.
  * @param {geom3} geometry1 - geometry to union
  * @param {geom3} geometry2 - geometry to union
- * @returns {geom3} new 3D geometry
+ * @returns {geom3} a 3D geometry
  */
 export const unionGeom3Sub = (geometry1, geometry2) => {
   if (!mayOverlap(geometry1, geometry2)) {