diff --git a/docs/development/testing.md b/docs/development/testing.md
index 4272202c..d4838988 100644
--- a/docs/development/testing.md
+++ b/docs/development/testing.md
@@ -8,7 +8,7 @@ it is.
 To test against Complement, with Nix and direnv installed and set up, you can
 either:
 
-* Run `complement "$COMPLEMENT_SRC" ./path/to/logs.jsonl ./path/to/results.jsonl`
+* Run `./bin/complement "$COMPLEMENT_SRC" ./path/to/logs.jsonl ./path/to/results.jsonl`
   to build a Complement image, run the tests, and output the logs and results
   to the specified paths
 * Run `nix build .#complement` from the root of the repository to just build a