diff --git a/README.md b/README.md
index 285e418e8..e667d9987 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ This plugin is an auto-plugin which will be automatically enabled starting from
  * `dependencyGraph`: Shows an ASCII graph of the project's dependencies on the sbt console
  * `dependencyList`: Shows a flat list of all transitive dependencies on the sbt console (sorted by organization and name)
  * `whatDependsOn <organization> <module> <revision>`: Find out what depends on an artifact. Shows a reverse dependency
-   tree for the selected module.
+   tree for the selected module. Enclose the command in quotes (i.e. `sbt "whatDependsOn <org> <module> <version>"` when not using within an sbt shell).
  * `dependencyLicenseInfo`: show dependencies grouped by declared license
  * `dependencyStats`: Shows a table with each module a row with (transitive) Jar sizes and number of dependencies
  * `dependencyGraphMl`: Generates a `.graphml` file with the project's dependencies to `target/dependencies-<config>.graphml`.