diff --git a/index.js b/index.js
index d9bf156..550abb8 100644
--- a/index.js
+++ b/index.js
@@ -210,10 +210,10 @@ function drawTracks(bezierData){
         let genPath = 'M ';
         genPath += `${bezStart.x} ${bezStart.z} `;
         genPath += `C ${bezHandle1.x} ${bezHandle1.z} ${bezHandle2.x} ${bezHandle2.z} ${bezEnd.x} ${bezEnd.z} `;
-        let grade = Bezier.estimateMaxGrade(bezStart, bezHandle1, bezHandle2, bezEnd, bezierGradeResolution);
+        let grade = Bezier.estimateGrade(bezStart, bezHandle1, bezHandle2, bezEnd, bezierGradeResolution);
         let gradeClass = Utils.gradeToClass(grade);
         let length = Bezier.estimateLength(bezStart, bezHandle1, bezHandle2, bezEnd, bezierLengthResolution);
-        let curvature = Bezier.estimateMaxCurvature(bezStart, bezHandle1, bezHandle2, bezEnd, bezierCurvatureResolution);
+        let curvature = Bezier.estimateCurvature(bezStart, bezHandle1, bezHandle2, bezEnd, bezierCurvatureResolution);
         newBezier.setAttribute('d', genPath);
 
         newBezier.classList.add('rail');
diff --git a/js/bezierlib.js b/js/bezierlib.js
index 5cd2dd7..aa8618e 100644
--- a/js/bezierlib.js
+++ b/js/bezierlib.js
@@ -7,7 +7,7 @@ import * as Vector from './vectorlib.js';
  * @property {number} z
  */
 
-/** Estimate the maximum grade of the bezier.
+/** Estimate the grade of the bezier.
  * @param {Vector} p1 - Start
  * @param {Vector} h1 - Handle 1
  * @param {Vector} h2 - Handle 2
@@ -15,7 +15,7 @@ import * as Vector from './vectorlib.js';
  * @param {number} iterationCount - How many steps along the bezier to check
  * @returns {number} Grade as a decimal
  */
-export function estimateMaxGrade(p1, h1, h2, p2, iterationCount = 50){
+export function estimateGrade(p1, h1, h2, p2, iterationCount = 50){
     let grade = 0;
     let totalGrade = 0;
     for(let i=0; i<=iterationCount; i++){
@@ -47,7 +47,7 @@ export function estimateLength(p1, h1, h2, p2, iterationCount = 50){
     return length;
 }
 
-/** Estimate the maximum 3D curvature of the bezier.
+/** Estimate the 3D curvature of the bezier.
  * @param {Vector} p1 - Start
  * @param {Vector} h1 - Handle 1
  * @param {Vector} h2 - Handle 2
@@ -55,7 +55,7 @@ export function estimateLength(p1, h1, h2, p2, iterationCount = 50){
  * @param {number} iterationCount - How many steps along the bezier to check
  * @returns {number} Curvature, take `1/curvature` to get radius.
  */
-export function estimateMaxCurvature(p1, h1, h2, p2, iterationCount = 50){
+export function estimateCurvature(p1, h1, h2, p2, iterationCount = 50){
     let curvature = 0;
     let t = 0;
     let vel = {};