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diff --git a/5-css.md b/3-css.md
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diff --git a/6-bootstrap.md b/4-bootstrap.md
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diff --git a/7-js-in-html-and-dom.md b/5-js-in-html-and-dom.md
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diff --git a/README.md b/README.md
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@@ -3,8 +3,8 @@
| # | Lecture | Slides |
|:--|:-------------------------------------------------|:----------------------------------------------------|
| 1 | [Introduction to the Web](1-web-introduction.md) | [Download slides](1-web-introduction-slides.html) |
-| 2 | [HTTP](2-http.md) | [Download slides](2-http-slides.html) |
-| 3 | [HTML basics](3-html.md) | [Download slides](3-html-slides.html) |
-| 4 | [CSS](4-css.md) | [Download slides](4-css-slides.html) |
-| 5 | [Bootstrap](5-bootstrap.md) | [Download slides](5-bootstrap-slides.html) |
-| 6 | [JS in HTML & DOM](6-js-in-html-and-dom.md) | [Download slides](6-js-in-html-and-dom-slides.html) |
+| 2 | [HTML basics](2-html.md) | [Download slides](2-html-slides.html) |
+| 3 | [CSS](3-css.md) | [Download slides](3-css-slides.html) |
+| 4 | [Bootstrap](4-bootstrap.md) | [Download slides](4-bootstrap-slides.html) |
+| 5 | [JS in HTML & DOM](5-js-in-html-and-dom.md) | [Download slides](5-js-in-html-and-dom-slides.html) |
+| | [HTTP](2-http.md) | [Download slides](http-slides.html) |
diff --git a/2-http-slides.html b/http-slides.html
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diff --git a/3-rest-architecture.md b/rest-architecture.md
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