[fractal] README:fix broken URL

[Alexandre Franke <afranke src gnome org>]

commit 1be40acd607b0b7a0ad03729180f709c9d2e2cf2
Author: Ufeanei Krystel <krystelufeanei gmail com>
Date:   Fri Nov 1 08:51:12 2019 +0000

    README:fix broken URL

 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index 759a039d..acfd3ecf 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ m.location        |                     |
 m.video           | Done                | Done
 m.audio           | Done                | Done
 
-Full reference in: <https://matrix.org/docs/spec/client\_server/r0.2.0.html#m-room-message-msgtypes>
+Full reference in: <https://matrix.org/docs/spec/client_server/r0.2.0.html#m-room-message-msgtypes>
 
 ## Frequently Asked Questions