diff --git a/docs/index.html b/docs/index.html
index 0e6152ce..7599fb9f 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -38,7 +38,7 @@
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2021-09-04T16:56:44+00:00" />
+		<meta property="og:updated_time" content="2021-10-21T18:48:35+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
@@ -3693,7 +3693,7 @@ generateRMFrames(steps) -> frames:
 					<p>
 						The derivative of a quadratic Bézier curve is a linear Bézier curve, interpolating between just two terms, which means finding the
 						solution for "where is this line 0" is effectively trivial by rewriting it to a function of <code>t</code> and solving. First we turn our
-						cubic Bézier function into a quadratic one, by following the rule mentioned at the end of the
+						quadratic Bézier function into a linear one, by following the rule mentioned at the end of the
 						<a href="#derivatives">derivatives section</a>:
 					</p>
 					<!--
diff --git a/docs/ja-JP/index.html b/docs/ja-JP/index.html
index 03869de1..d5523165 100644
--- a/docs/ja-JP/index.html
+++ b/docs/ja-JP/index.html
@@ -41,7 +41,7 @@
 		<meta property="og:locale" content="ja-JP" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2021-09-04T16:56:44+00:00" />
+		<meta property="og:updated_time" content="2021-10-21T18:48:35+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
@@ -3673,7 +3673,7 @@ generateRMFrames(steps) -> frames:
 					<p>
 						The derivative of a quadratic Bézier curve is a linear Bézier curve, interpolating between just two terms, which means finding the
 						solution for "where is this line 0" is effectively trivial by rewriting it to a function of <code>t</code> and solving. First we turn our
-						cubic Bézier function into a quadratic one, by following the rule mentioned at the end of the
+						quadratic Bézier function into a linear one, by following the rule mentioned at the end of the
 						<a href="#derivatives">derivatives section</a>:
 					</p>
 					<!--
diff --git a/docs/news/2020-09-18.html b/docs/news/2020-09-18.html
index 0811e5d9..2ed72f80 100644
--- a/docs/news/2020-09-18.html
+++ b/docs/news/2020-09-18.html
@@ -34,7 +34,7 @@
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="Fri Sep 18 2020 00:00:00 +00:00" />
-		<meta property="og:updated_time" content="Sat Sep 04 2021 16:56:44 +00:00" />
+		<meta property="og:updated_time" content="Thu Oct 21 2021 18:48:35 +00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/docs/news/2020-11-22.html b/docs/news/2020-11-22.html
index 6c0b763f..e2d617d6 100644
--- a/docs/news/2020-11-22.html
+++ b/docs/news/2020-11-22.html
@@ -34,7 +34,7 @@
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="Sun Nov 22 2020 00:00:00 +00:00" />
-		<meta property="og:updated_time" content="Sat Sep 04 2021 16:56:44 +00:00" />
+		<meta property="og:updated_time" content="Thu Oct 21 2021 18:48:35 +00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/docs/news/index.html b/docs/news/index.html
index 71d923b2..27e5b970 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -33,7 +33,7 @@
 		<meta property="og:description" content="" />
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
-		<meta property="og:published_time" content="Sat Sep 04 2021 16:56:44 GMT+0000 (Coordinated Universal Time)" />
+		<meta property="og:published_time" content="Thu Oct 21 2021 18:48:35 GMT+0000 (Coordinated Universal Time)" />
 		<meta property="og:updated_time" content="" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
diff --git a/docs/news/rss.xml b/docs/news/rss.xml
index e8eb2219..834532a9 100644
--- a/docs/news/rss.xml
+++ b/docs/news/rss.xml
@@ -6,7 +6,7 @@
   <atom:link href="https://pomax.github.io/bezierinfo" rel="self"></atom:link>
   <description>News updates for the <a href="https://pomax.github.io/bezierinfo">primer on Bézier Curves</a> by Pomax</description>
   <language>en-GB</language>
-  <lastBuildDate>Sat Sep 04 2021 16:56:44 +00:00</lastBuildDate>
+  <lastBuildDate>Thu Oct 21 2021 18:48:35 +00:00</lastBuildDate>
   <image>
     <url>https://pomax.github.io/bezierinfo/images/og-image.png</url>
     <title>A Primer on Bézier Curves</title>
diff --git a/docs/ru-RU/index.html b/docs/ru-RU/index.html
index dfb2896a..7e2807f5 100644
--- a/docs/ru-RU/index.html
+++ b/docs/ru-RU/index.html
@@ -34,7 +34,7 @@
 		<meta property="og:locale" content="ru-RU" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2021-09-04T16:56:44+00:00" />
+		<meta property="og:updated_time" content="2021-10-21T18:48:35+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
@@ -3860,7 +3860,7 @@ generateRMFrames(steps) -> frames:
 					<p>
 						The derivative of a quadratic Bézier curve is a linear Bézier curve, interpolating between just two terms, which means finding the
 						solution for "where is this line 0" is effectively trivial by rewriting it to a function of <code>t</code> and solving. First we turn our
-						cubic Bézier function into a quadratic one, by following the rule mentioned at the end of the
+						quadratic Bézier function into a linear one, by following the rule mentioned at the end of the
 						<a href="#derivatives">derivatives section</a>:
 					</p>
 					<!--
diff --git a/docs/uk-UA/index.html b/docs/uk-UA/index.html
index dcb0b0ed..ee30f785 100644
--- a/docs/uk-UA/index.html
+++ b/docs/uk-UA/index.html
@@ -39,7 +39,7 @@
 		<meta property="og:locale" content="uk-UA" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2021-09-04T16:56:44+00:00" />
+		<meta property="og:updated_time" content="2021-10-21T18:48:35+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
@@ -3834,7 +3834,7 @@ generateRMFrames(steps) -> frames:
 					<p>
 						The derivative of a quadratic Bézier curve is a linear Bézier curve, interpolating between just two terms, which means finding the
 						solution for "where is this line 0" is effectively trivial by rewriting it to a function of <code>t</code> and solving. First we turn our
-						cubic Bézier function into a quadratic one, by following the rule mentioned at the end of the
+						quadratic Bézier function into a linear one, by following the rule mentioned at the end of the
 						<a href="#derivatives">derivatives section</a>:
 					</p>
 					<!--
diff --git a/docs/zh-CN/index.html b/docs/zh-CN/index.html
index 40a013b8..20e52234 100644
--- a/docs/zh-CN/index.html
+++ b/docs/zh-CN/index.html
@@ -41,7 +41,7 @@
 		<meta property="og:locale" content="zh-CN" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2021-09-04T16:56:44+00:00" />
+		<meta property="og:updated_time" content="2021-10-21T18:48:35+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
@@ -3649,7 +3649,7 @@ generateRMFrames(steps) -> frames:
 					<p>
 						The derivative of a quadratic Bézier curve is a linear Bézier curve, interpolating between just two terms, which means finding the
 						solution for "where is this line 0" is effectively trivial by rewriting it to a function of <code>t</code> and solving. First we turn our
-						cubic Bézier function into a quadratic one, by following the rule mentioned at the end of the
+						quadratic Bézier function into a linear one, by following the rule mentioned at the end of the
 						<a href="#derivatives">derivatives section</a>:
 					</p>
 					<!--