diff --git a/install_on_arm_board.md b/install_on_arm_board.md
index b6d96620..26c550c2 100644
--- a/install_on_arm_board.md
+++ b/install_on_arm_board.md
@@ -39,7 +39,7 @@ YunoHost doesn't yet support ARM64 boards. For more information, see [this issue
 
 ---
 
-## Install on top or ARMbian
+## Install on top of ARMbian
 
 <a class="btn btn-lg btn-default" href="https://www.armbian.com/download/">0. Download the ARMbian image for your board</a>