diff --git a/tasks.txt b/tasks.txt
index 5349bc94c..7d53454c7 100644
--- a/tasks.txt
+++ b/tasks.txt
@@ -9,6 +9,7 @@ Refactoring
  * Use %varid% instead of %var1% or %var2% in pattern matches
  * create a simplify function that converts "void f(x) int x; {" to "void f(int x) {"
  * improve the variable id so class/struct member variables get a variable id
+ * parse header files only once.
 
 Preprocessor
  * Expand preprocessor macros