diff --git a/README.md b/README.md
index d34ce7b8..a4d5437b 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,8 @@ Just run `topgrade`. It will run the following steps:
   * Custom defined paths
 * *Unix*: Run [zplug](https://github.com/zplug/zplug) update
 * *Unix*: Run [fisher](https://github.com/jorgebucaran/fisher)
-* *Unix*: Upgrade tmux plugins with [TPM](https://github.com/tmux-plugins/tpm)
+* *Unix*: Upgrade tmux plugins with [TPM](https://github.com/tmux-plugins/tpm). *Note*: Do not use
+  the `-b` flag in your configuration as suggested by the TPM readme.
 * Update Rustup by running `rustup update`. This will also attempt to run `rustup self update` when Rustup is installed inside the home directory.
 * Run Cargo [install-update](https://github.com/nabijaczleweli/cargo-update)
 * Upgrade Emacs packages (You'll get a better output if you have [Paradox](https://github.com/Malabarba/paradox) installed)