rewrite some comments to avoid `NOTE` in capitals

@@ -3,19 +3,17 @@ enum DetectionSpeed {
   /// The scanner will only scan a barcode once, and never again until another
   /// barcode has been scanned.
   ///
-  /// NOTE: This mode does analyze every frame in order to check if the value
-  /// has changed.
+  /// Bear in mind that this mode analyzes every frame,
+  /// in order to check if the value has changed.
   noDuplicates(0),
 
-  /// The barcode scanner will scan one barcode, and wait 250 Miliseconds before
-  /// scanning again. This will prevent memory issues on older devices.
-  ///
-  /// You can change the timeout duration with [detectionTimeout] parameter.
+  /// The barcode scanner will scan barcodes,
+  /// while respecting the configured scan timeout between individual scans.
   normal(1),
 
-  /// Let the scanner detect barcodes without restriction.
+  /// The barcode scanner will scan barcodes, without any restrictions.
   ///
-  /// NOTE: This can cause memory issues with older devices.
+  /// Bear in mind that this mode can cause memory issues on older devices.
   unrestricted(2);
 
   const DetectionSpeed(this.rawValue);

@@ -49,11 +49,13 @@ class MobileScannerController {
   /// WARNING: DetectionSpeed.unrestricted can cause memory issues on some devices
   final DetectionSpeed detectionSpeed;
 
-  /// Sets the timeout of scanner.
-  /// The timeout is set in miliseconds.
+  /// Sets the timeout, in milliseconds, of the scanner.
   ///
-  /// NOTE: The timeout only works if the [detectionSpeed] is set to
-  /// [DetectionSpeed.normal] (which is the default value).
+  /// This timeout is ignored if the [detectionSpeed]
+  /// is not set to [DetectionSpeed.normal].
+  ///
+  /// By default this is set to `250` milliseconds,
+  /// which prevents memory issues on older devices.
   final int detectionTimeoutMs;
 
   /// Automatically start the mobileScanner on initialization.