Merge pull request #53 from rakuco/minor-proofreading

editorial: Minor proof-reading.

Author: anssiko

index.bs

@@ -91,7 +91,7 @@ Examples {#examples}
 
 <div class="example">
     In this simple example, ambient light sensor is created with
-    default configuration. Whenever new [=sensor readings|reading=] is available,
+    default configuration. Whenever a new [=sensor readings|reading=] is available,
     it is printed to the console.
 
     <pre highlight="js">
@@ -103,10 +103,10 @@ Examples {#examples}
 </div>
 
 <div class="example">
-    In this example, exposure value (EV) at ISO 100 is calculated from
+    In this example, the exposure value (EV) at ISO 100 is calculated from
     the ambient light [=sensor readings=]. Initially, we check that the user
     agent has permissions to access ambient light [=sensor readings=]. Then,
-    {{AmbientLightSensor/illuminance!!attribute}} value is converted to the
+    the {{AmbientLightSensor/illuminance!!attribute}} value is converted to the
     closest exposure value.
 
     <pre highlight="js">
@@ -187,9 +187,9 @@ the device environment. Potential privacy risks include:
   - Cross-origin leaks. Light emitted from the screen can be reflected back to
     the sensor from nearby reflective surfaces. Malicious sites can embed
     resources from different origins and scale the content to display
-    particular pixels to allow distinguish the contents, pixel by pixel.
-  - Hijacking browsing history. Styling visited links to allow distinguish the
-    light levels associated with visited and unvisited links i.e. visited
+    particular pixels to allow distinguishing the contents, pixel by pixel.
+  - Hijacking browsing history. Styling visited links to allow distinguishing
+    the light levels associated with visited and unvisited links i.e. visited
     links styled as a block of black screen; white for unvisited.
 
 To mitigate these Ambient Light Sensor specific threats, user agents should
@@ -274,7 +274,7 @@ Use Cases and Requirements {#usecases-requirements}
   interprets them to control a game character.
 
 While some of the use cases may benefit from obtaining precise ambient light measurements, the use
-cases that convert ambient light level fluctuations to user input events, would benefit from
+cases that convert ambient light level fluctuations to user input events would benefit from
 higher [=sampling frequency|sampling frequencies=].
 
 Acknowledgements {#acknowledgements}