diff --git a/src/openflexure_microscope_server/things/autofocus.py b/src/openflexure_microscope_server/things/autofocus.py
index 237122a8..bf507724 100644
--- a/src/openflexure_microscope_server/things/autofocus.py
+++ b/src/openflexure_microscope_server/things/autofocus.py
@@ -634,7 +634,7 @@ class AutofocusThing(Thing):
         :buffer_max: The maximum number of images to tell the camera to keep in memory
         for saving once the stack is complete
 
-        :return: A CaatureInfo object containing the capture information including its
+        :return: A CaptureInfo object containing the capture information including its
         camera buffer_id needed for saving.
         """
         stage_location = stage.position
diff --git a/tests/test_stack.py b/tests/test_stack.py
index a8c81b7f..c9fad430 100644
--- a/tests/test_stack.py
+++ b/tests/test_stack.py
@@ -226,7 +226,7 @@ def test_retrieval_of_captures(start):
         assert _get_capture_index_by_id(captures, buffer_id) == i
         assert _get_capture_by_id(captures, buffer_id) is capture
 
-    # Check errors are raised when supplying ids that aren't int the list
+    # Check errors are raised when supplying ids that aren't in the list
     with pytest.raises(ValueError):
         _get_capture_index_by_id(captures, start - 1)
     with pytest.raises(ValueError):