diff --git a/INSTALL.md b/INSTALL.md
index 229674d7..22b6d8b6 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -42,7 +42,7 @@ Remove it as follows:
 ```
 Do this until no more copies of `shairport-sync` are found.
 
-You should also remove the file `/etc/systemd/system/shairport-sync.service` if it exists.
+You should also remove the initialisation script file `/etc/systemd/system/shairport-sync.service` if it exists – a new one will be installed that will point to the version you will have compiled.
 
 ### Build and Install
 Okay, now let's get the tools and sources for building and installing Shairport Sync.