diff --git a/README.md b/README.md
index 8f599a1..7b14372 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,23 @@ dolor sit amet
 a + 1
 ```
 ````
+If you'd like to prepend code that you don't want to show, you can just comment it out;
+pytest-codeblocks will pick it up anyway:
+````markdown
+Lorem ipsum
+<!--
+```python
+a = 1
+```
+-->
+dolor sit amet
+<!--pytest-codeblocks:cont-->
+```python
+# this would otherwise fail since `a` is not defined
+a + 1
+```
+````
+
 
 #### Expected output
 You can also define the expected output of a code block:
diff --git a/tests/test_cont.py b/tests/test_cont.py
index 036b39e..3744291 100644
--- a/tests/test_cont.py
+++ b/tests/test_cont.py
@@ -15,6 +15,25 @@ def test_cont(testdir):
     result.assert_outcomes(passed=1)
 
 
+def test_hidden_cont(testdir):
+    string = """
+    Lorem ipsum
+    <!--
+    ```python
+    a = 1
+    ```
+    -->
+    dolor sit amet
+    <!--pytest-codeblocks:cont-->
+    ```
+    a + 1
+    ```
+    """
+    testdir.makefile(".md", string)
+    result = testdir.runpytest("--codeblocks")
+    result.assert_outcomes(passed=1)
+
+
 def test_nocont(testdir):
     string = """
     <!--pytest-codeblocks:cont-->