diff --git a/README.md b/README.md
index cf106ad687a..c5b6ce4588e 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,8 @@ and extending unit tests can be found in [/src/test/README.md](/src/test/README.
 
 There are also [regression and integration tests](/test), written
 in Python.
-These tests can be run (if the [test dependencies](/test) are installed) with: `test/functional/test_runner.py`
+These tests can be run (if the [test dependencies](/test) are installed) with: `build/test/functional/test_runner.py`
+(assuming `build` is your build directory).
 
 The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS,
 and that unit/sanity tests are run automatically.
diff --git a/test/functional/README.md b/test/functional/README.md
index a4994f2e7c9..a34bf1827cb 100644
--- a/test/functional/README.md
+++ b/test/functional/README.md
@@ -10,7 +10,8 @@ that file and modify to fit your needs.
 
 #### Coverage
 
-Running `test/functional/test_runner.py` with the `--coverage` argument tracks which RPCs are
+Assuming the build directory is `build`,
+running `build/test/functional/test_runner.py` with the `--coverage` argument tracks which RPCs are
 called by the tests and prints a report of uncovered RPCs in the summary. This
 can be used (along with the `--extended` argument) to find out which RPCs we
 don't have test cases for.