README: firefox notes on graphics acceleration

diff --git a/README.md b/README.md
index a6a27b4a197d60c0c6cb488629f27cb0a0bc1f69..023303005613dd1798380e905c54b2b846702c3d 100644 (file)
--- a/README.md
+++ b/README.md
@@ -118,6 +118,11 @@ Send DNS through SOCKS proxy:
 network.proxy.socks_remote_dns = true
 ```
 
 network.proxy.socks_remote_dns = true
 ```
 

+Graphics acceleration, reduces tearing in video playback:
+```
+layers.acceleration.force-enabled = true
+```
+

 Enabling xinput2 gives pixel scrolling and fixes [bug #1276449](https://bugzilla.mozilla.org/show_bug.cgi?id=1276449).
 ```
 # bash
 Enabling xinput2 gives pixel scrolling and fixes [bug #1276449](https://bugzilla.mozilla.org/show_bug.cgi?id=1276449).
 ```
 # bash