diff --git a/src/openflexure_microscope_server/things/smart_scan.py b/src/openflexure_microscope_server/things/smart_scan.py
index 5e065b32..ea069de4 100644
--- a/src/openflexure_microscope_server/things/smart_scan.py
+++ b/src/openflexure_microscope_server/things/smart_scan.py
@@ -291,7 +291,7 @@ class SmartScanThing(OFMThing):
 
     @lt.property
     def latest_scan_live_details(self) -> Optional[LiveScanDetails]:
-        """The details of any ongoing scan, or the previous scan if no san ongoing."""
+        """The details of any ongoing scan, or the previous scan if no scan ongoing."""
         if self._latest_scan_live_details is None:
             return None
         # Update image count and stitch timestamp if scan is ongoing.
@@ -350,7 +350,7 @@ class SmartScanThing(OFMThing):
             raise e
         finally:
             # Save some final details but not set to the base model until after
-            # resetting valued and unlocking just in case somehow pydantic errors.
+            # resetting values and unlocking in case of Pydantic errors.
 
             final_image_count = (
                 self._scan_data.image_count if self._scan_data is not None else None
@@ -499,7 +499,7 @@ class SmartScanThing(OFMThing):
             self.logger.info("Stopping scan because it was cancelled.")
             self._save_final_scan_data(scan_result="cancelled by user")
             if self.scan_data.image_count < MIN_IMAGES_TO_STITCH:
-                # If too few images to stitch then, return to the centre and report
+                # If too few images to stitch then, return to the start and report
                 # cancelled
                 self._return_to_starting_position()
                 raise e
diff --git a/webapp/src/components/labThingsComponents/actionButton.vue b/webapp/src/components/labThingsComponents/actionButton.vue
index ba320e4d..2f1e9b16 100644
--- a/webapp/src/components/labThingsComponents/actionButton.vue
+++ b/webapp/src/components/labThingsComponents/actionButton.vue
@@ -163,6 +163,8 @@ export default {
       return this.isDisabled || this.isBroken || (this.taskRunning && !this.canTerminate);
     },
     buttonLabel() {
+      // If the action is running (and can terminate) then show the cancel label, otherwise
+      // show the submit label.
       return this.taskRunning && this.canTerminate ? this.cancelLabel : this.submitLabel;
     },
     buttonClasses() {