docs: add Edge to flexbox supported browsers

Added Edge to flexbox supported browsers (info from caniuse.com) and small SPaG fix

diff --git a/docs/pages/flexbox-mode.md b/docs/pages/flexbox-mode.md
index 6f6758dff63f113b2e1cee6e86d806214128be82..30a1c16c03f7c37f961208e4dbd878aba8598820 100644 (file)
--- a/docs/pages/flexbox-mode.md
+++ b/docs/pages/flexbox-mode.md
@@ -13,13 +13,14 @@ Foundation components use a combination of floats, vertical alignment, table cel
 
 Enabling **flexbox mode** replaces those hacks with flexbox properties, streamlining how layouts are made, and making sizing and alignment of elements much easier.
 
-Flexbox mode is only supported these browsers:
+Flexbox mode is only supported in these browsers:
 
 - The latest Chrome and Firefox
 - Safari 6+
 - IE 10+
 - iOS 7+
 - Android 4.4+
+- Edge 12+
 
 ---