diff --git a/Documentation/NavMeshModifierVolume.md b/Documentation/NavMeshModifierVolume.md
index 1350f3cc..196a55e4 100644
--- a/Documentation/NavMeshModifierVolume.md
+++ b/Documentation/NavMeshModifierVolume.md
@@ -2,7 +2,7 @@
 
 ![NavMeshModifierVolume example](Images/NavMeshModifierVolume-Example.png)
 
-NavMesh Modifier Volume allows you to mark the area that falls inside the volume with specific area type. Where NavMesh Modifier marks certain objects with an area type, the Modifier Volume allows change the area type even more locally based on a volume.
+NavMesh Modifier Volume allows you to mark the area that falls inside the volume with specific area type. Where NavMesh Modifier marks certain objects with an area type, the Modifier Volume allows changing the area type even more locally based on a volume.
 
 The modifier is useful for annotating certain areas over walkable surfaces which might not be represented as separate geometry, e.g. danger areas.  It can be even be used to make certain areas non-walkable.
 
@@ -10,7 +10,8 @@ The NavMesh Modifier Volume affects the NavMesh generation process, this means t
 
 ## Parameters
 * Size – dimensions of the modifier volume. 
-* Center – center of the modifier volume relative to the GameObject center.
+* Center – the centre of the modifier volume relative to the GameObject centre.
 * Area Type – describes the area type which the volume applies.
-* Affected Agents – a selection of agents the Modifier affects. For example, you may choose to create danger zone for specific agent type only.
+* Affected Agents – a selection of agents the Modifier affects. For example, you may choose to create a danger zone for a specific agent type only.
+