diff --git a/README.md b/README.md
index 1a92751f..3c50eaec 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,8 @@ key-mapper-service
 ## Macros
 
 It is possible to write timed macros into the center column:
+- `k(1)` 1
+- `k(1).w(10).k(2)` 12
 - `r(3, k(a).w(10))` aaa
 - `r(2, k(a).k(-)).k(b)` a-a-b
 - `w(1000).m(SHIFT_L, r(2, k(a))).w(10, 20).k(b)` AAb
diff --git a/keymapper/dev/injector.py b/keymapper/dev/injector.py
index 8b86d197..ba4cc955 100644
--- a/keymapper/dev/injector.py
+++ b/keymapper/dev/injector.py
@@ -268,6 +268,7 @@ class KeycodeInjector:
                     character
                 )
                 # TODO prepare this beforehand, not on each keystroke
+                # TODO test if m(SHIFT_L, k(a)) prints A in injector tests
                 parse(
                     character,
                     handler=lambda keycode, value: (