diff --git a/writing_sigils.md b/writing_sigils.md
index 0b9c791..6e60202 100644
--- a/writing_sigils.md
+++ b/writing_sigils.md
@@ -1,15 +1,15 @@
-# how to write a sigil
-## requirements
+# How to write a sigil
+## Requirements
 - a text editor
 - a browser
 - some knowledge of javascript
 
-## getting started
+## Getting started
 Say we want to write a sigil for "https://time.is" to get the current times
 around the world and serve them in gemtext format. Our first step is to create
 the file `time.is` and place it in the `sigils` directory.
 
-## writing the sigil
+## Writing the sigil
 The only necessary part of any sigil is the call to
 `window.electron.send_gemtext()`.  This function sends any data generated in
 the browser to the web server.