1 files changed, 2 insertions, 2 deletions
diff --git a/readme.md b/readme.md
index 559e9a2..001147a 100644
--- a/readme.md
+++ b/readme.md
@@ -117,10 +117,10 @@ in the following definition `*A` is to be interpreted as "some specific instance
 ### `X<Y`
 `X` directly affects `Y`
 
-### `?`
+### `X?Y`
 `Y` exists if `X` exists
 
-### `/`
+### `X/Y`
 `Y` which is located in/on/at `*X`
 
 ### `X%Y`