Fix display gamma documentation

Thomas--S · rubenwardy · commit 6718a95103b2 · 2017-01-02T21:42:50.000Z
Overlooked in #4873
diff --git a/minetest.conf.example b/minetest.conf.example
@@ -505,7 +505,7 @@
 #    type: int min: 15 max: 160
 # zoom_fov = 15
 
-#    Adjust the gamma encoding for the light tables. Lower numbers are brighter.
+#    Adjust the gamma encoding for the light tables. Higher numbers are brighter.
 #    This setting is for the client only and is ignored by the server.
 #    type: float min: 1 max: 3
 # display_gamma = 2.2
