Fix typo

Felipe Bernardes · web-flow · commit d2a274e02e21 · 2017-03-16T11:41:45.000-03:00
diff --git a/ui/layouts.md b/ui/layouts.md
@@ -37,7 +37,7 @@ During the measure pass, each [view][view] is measured to retrieve its desired s
 * visibility
 * marginTop
 * marginRight
-* marginBotton
+* marginBottom
 * marginLeft
 
 ### Layout Pass
