diff --git a/src/openflexure_microscope_server/things/camera/__init__.py b/src/openflexure_microscope_server/things/camera/__init__.py
index 7d771af6..543db45d 100644
--- a/src/openflexure_microscope_server/things/camera/__init__.py
+++ b/src/openflexure_microscope_server/things/camera/__init__.py
@@ -146,8 +146,6 @@ class BaseCamera(Thing):
     ) -> None:
         """Capture an image and save it to disk
 
-        This will set the event `acquired` once the image has been acquired, so
-        that the stage may be moved while it's saved.
 
         save_resolution can be set to resize the image before saving. By default this is None
             meaning that the image is saved at original resoltion.
diff --git a/src/openflexure_microscope_server/things/camera/picamera.py b/src/openflexure_microscope_server/things/camera/picamera.py
index ecba1694..bef59148 100644
--- a/src/openflexure_microscope_server/things/camera/picamera.py
+++ b/src/openflexure_microscope_server/things/camera/picamera.py
@@ -141,7 +141,7 @@ class StreamingPiCamera2(BaseCamera):
                         "%s while updating persistent controls.",
                         key,
                         self.persistent_controls[key],
-                        self.persistent_controls[key],
+                        value,
                     )
                 else:
                     self.persistent_controls[key] = value
@@ -442,14 +442,14 @@ class StreamingPiCamera2(BaseCamera):
     @thing_action
     def capture_image(
         self,
-        stream_name: Literal["main", "lores", "raw", "full"] = "main",
+        stream_name: Literal["main", "lores", "raw"] = "main",
         wait: Optional[float] = 0.9,
     ):
         """Acquire one image from the camera.
 
         Return it as a PIL Image
 
-        stream_name: (Optional) The PiCamera2 stream to use, should be one of ["main", "lores", "raw", "full"]. Default = "main"
+        stream_name: (Optional) The PiCamera2 stream to use, should be one of ["main", "lores", "raw"]. Default = "main"
         wait: (Optional, float) Set a timeout in seconds.
         A TimeoutError is raised if this time is exceeded during capture.
         Default = 0.9s, lower than the 1s timeout default in picamera yaml settings