diff --git a/readme.md b/readme.md
index 2800b6583dc68b4b71d19e44ba4e845979402e28..4a7e9534686d17b457642b282108df5a09ca6cc8 100644
--- a/readme.md
+++ b/readme.md
@@ -32,7 +32,7 @@ $ npm install -g renovate
 
 ## Authentication
 
-You need to select a repository user for `renovate` to assume the identity of, and generate a Personal Access Token. It's recommended that you use a dedicated "bot" account for this to avoid user confusion.
+You need to select a repository user for `renovate` to assume the identity of, and generate a Personal Access Token. It's strongly recommended that you use a dedicated "bot" account for this to avoid user confusion and to avoid the Renovate bot mistaking changes you have made or PRs you have raised for its own.
 
 You can find instructions for GitHub [here](https://help.github.com/articles/creating-an-access-token-for-command-line-use/) (select "repo" permissions)