Update README.md

Author: aeagle

README.md

@@ -16,7 +16,7 @@ This space will take over the full viewport of the browser window. Resizing the
 
 This space can be given a height and optionally a width (by default it will size to 100% of it's container). All nested spaces will be contained within this fixed size space.
 
-### Inner spaces
+### Anchored spaces
 
 These can be used within the top-level spaces **\<ViewPort /\>** and **\<Fixed /\>** or nested within other spaces.
 
@@ -28,6 +28,8 @@ A space anchored to the left or right of the parent container/space. A size can
 
 A space anchored to the top or bottom of the parent container/space. A size can be specified in pixels or as a percentage to determine its height.
 
+### Other
+
 **\<Fill /\>** 
 
 A space which consumes any available area left in the parent container/space taking into account any anchored spaces on every side.