Merge pull request #511 from waywardmonkeys/typo-fixes

Fix typo.

examples/common/entry/entry_osx.mm

@@ -273,7 +273,7 @@ namespace entry
 					{
 						// TODO: remove!
 						// Command + Left Mouse Button acts as middle! This just a temporary solution!
-						// This is becase the average OSX user doesn't have middle mouse click.
+						// This is because the average OSX user doesn't have middle mouse click.
 						MouseButton::Enum mb = ([event modifierFlags] & NSCommandKeyMask) ? MouseButton::Middle : MouseButton::Left;
 						m_eventQueue.postMouseEvent(s_defaultWindow, m_mx, m_my, m_scroll, mb, true);
 						break;

src/renderer_mtl.mm

@@ -844,7 +844,7 @@ namespace bgfx { namespace mtl
 			m_maxAnisotropy = 1;
 		}
 
-		//TODO: _resolution has wrong dimensions, usng m_drawable.texture size now
+		//TODO: _resolution has wrong dimensions, using m_drawable.texture size now
 
 		if ( NULL == m_drawable.texture )
 			return;