diff --git a/contrib/auto-render/README.md b/contrib/auto-render/README.md
index a3730cfd..82599fd4 100644
--- a/contrib/auto-render/README.md
+++ b/contrib/auto-render/README.md
@@ -11,9 +11,9 @@ This extension isn't part of KaTeX proper, so the script needs to be included
using a CDN:
```html
-
-
-
+
+
+
```
Then, call the exposed `renderMathInElement` function in a script tag
diff --git a/contrib/copy-tex/README.md b/contrib/copy-tex/README.md
index f7a07408..3f6ce9fa 100644
--- a/contrib/copy-tex/README.md
+++ b/contrib/copy-tex/README.md
@@ -21,8 +21,8 @@ provided by this extension). Without this CSS, partially selected equations
will just get the usual HTML copy/paste behavior.
```html
-
-
+
+
```
See [index.html](index.html) for an example.
diff --git a/contrib/mathtex-script-type/README.md b/contrib/mathtex-script-type/README.md
index 8f0904ec..682cb234 100644
--- a/contrib/mathtex-script-type/README.md
+++ b/contrib/mathtex-script-type/README.md
@@ -12,7 +12,7 @@ Load the extension by adding the following line to your HTML file.
This extension should be loaded *after* all `script type=math/tex` blocks that you want to render.
```html
-
+
```
Note that if the URL above contains `...` in-place of a version string, then this script has not yet
been deployed to the CDN.
@@ -25,12 +25,12 @@ After we're done writing `math/tex` scripts, we load this extension.
```html
-
-
+
+
-
+
```