diff --git a/docs/using/matching.rst b/docs/using/matching.rst
index f0259226..92d810b2 100644
--- a/docs/using/matching.rst
+++ b/docs/using/matching.rst
@@ -10,7 +10,12 @@ the attributes of the input datasets must match, such as the list of
 variables for `concat` or the `dates` and `frequency` for `join`.
 
 You can let the package automatically adjust the attributes of the input
-datasets using the `adjust` keyword:
+datasets using the `adjust` keyword, to adjust one of the attributes:
+
+.. literalinclude:: matching1_.py
+   :language: python
+
+or more than one attribute:
 
 .. literalinclude:: matching1_.py
    :language: python
diff --git a/docs/using/matching0_.py b/docs/using/matching0_.py
new file mode 100644
index 00000000..85576d5f
--- /dev/null
+++ b/docs/using/matching0_.py
@@ -0,0 +1,4 @@
+ds = open_dataset(
+    join=[dataset1, dataset2],
+    adjust="frequency",
+)
diff --git a/docs/using/matching2_.py b/docs/using/matching2_.py
index 52197ddf..8deaa835 100644
--- a/docs/using/matching2_.py
+++ b/docs/using/matching2_.py
@@ -1 +1 @@
-ds = open_dataset(join=[dataset1, dataset2], adjust=["dates"])
+ds = open_dataset(join=[dataset1, dataset2], adjust="dates")