README.md: Minor updates

diff --git a/README.md b/README.md
index 2a523d0f0a2d85e6d91db8c3672f7c8d4752ccb4..64aa178098774202b170e9a731f4466fb3fd0e70 100644 (file)
--- a/README.md
+++ b/README.md
@@ -59,10 +59,10 @@ If you are building the X11 backend, you will also need:
     - xrender
     - xi
     - xext
-    - xfixes (optional)
-    - xcursor (optional)
-    - xdamage (optional)
-    - xcomposite (optional)
+    - xfixes
+    - xcursor
+    - xdamage
+    - xcomposite
   - [atk-bridge-2.0](https://download.gnome.org/sources/at-spi2-atk)
 
 If you are building the Wayland backend, you will also need: