fix small README typo (#30), duplicates in 'picom.sample.conf' (#39)

README.md

@@ -14,7 +14,7 @@
 
 - Rounded corners code from [sdhand](https://github.com/sdhand/picom) which is also ported to the experimetnal XRender backend.
 
-- New code for rounded corners (+borders) on the glx backend using GLSL frangment shader for both legacy and experimental backends
+- New code for rounded corners (+borders) on the glx backend using GLSL fragment shader for both legacy and experimental backends
 
 For more information read [my reddit post](https://www.reddit.com/r/unixporn/comments/fs8trg/oc_comptonpicom_fork_with_both_tryone144s_dual/)
 

picom.sample.conf

@@ -193,22 +193,6 @@ opacity-rule = [
 ];
 
 
-#################################
-#           Corners             #
-#################################
-
-# Sets the radius of rounded window corners. When > 0, the compositor will
-# round the corners of windows. Does not interact well with
-# `transparent-clipping`.
-corner-radius = 0
-
-# Exclude conditions for rounded corners.
-rounded-corners-exclude = [
-  "window_type = 'dock'",
-  "window_type = 'desktop'"
-];
-
-
 #################################
 #     Background-Blurring       #
 #################################