diff --git a/README.md b/README.md
index bd02a56..80b185e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## About
+### About
 
 portzap is a utility for staying up to date with the
 [HardenedBSD ports tree](https://hardenedbsd.org).
@@ -7,7 +7,7 @@ The transient copy can be created, and updated by an unprivileged user account
 who is a member of the `_portzap` group. The transient copy can then be installed
 into the `/usr/ports` directory by root.
 
-## Usage
+### Usage
 
 * **portzap clone** <br>
   This command clones HardenedBSD's ports tree into `/home/_portzap/ports`.
@@ -19,7 +19,7 @@ into the `/usr/ports` directory by root.
   This command should be run as root. <br>
   The command installs `/home/_portzap/ports` into `/usr/ports`.
 
-## Sources
+### Sources
 
 * [Source code (git.hardenedbsd.org)](https://git.hardenedbsd.org/0x1eef/portzap)
 * [Source code (GitHub)](https://github.com/0x1eef/portzap)