diff --git a/todo.cfg b/todo.cfg
index 051a7a6..8d1ecb1 100644
--- a/todo.cfg
+++ b/todo.cfg
@@ -41,13 +41,14 @@ export TMP_FILE="$TODO_DIR/todo.tmp"
 # === PRIORITY COLORS ===
 
 ## Priorities can be any upper-case letter.
-## Colors are supported for the first three.
+## A,B,C are highlighted; you can add coloring for more.
 ## Uncomment and edit to override these defaults.
 
 # export PRI_A=$YELLOW        # color for A priority
 # export PRI_B=$GREEN         # color for B priority
 # export PRI_C=$LIGHT_BLUE    # color for C priority
-# export PRI_X=$WHITE         # color for rest of them
+# export PRI_D=...            # define your own
+# export PRI_X=$WHITE         # color unless explicitly defined
 
 # === BEHAVIOR ===