diff --git a/overcooked_simulator/counter_factory.py b/overcooked_simulator/counter_factory.py
index 46a96a17a973c00e6e5820f83ad886fb0d3a17bc..9802d5793868f98eceaec5b4270f5b7a61889b03 100644
--- a/overcooked_simulator/counter_factory.py
+++ b/overcooked_simulator/counter_factory.py
@@ -34,33 +34,28 @@ def convert_words_to_chars(layout_chars_config: dict[str, str]) -> dict[str, str
         dict[str, str]: A dictionary where the keys are the layout characters and the values are their corresponding words.
     """
     word_refs = {
-        "underscore": "_",
         "hash": "#",
         "space": " ",
         "dot": ".",
         "comma": ",",
         "semicolon": ";",
         "colon": ":",
-        "plus": "+",
         "minus": "-",
         "exclamation": "!",
         "question": "?",
         "dquote": '"',
         "squote": "'",
         "star": "*",
-        "dollar": "$",
-        "euro": "€",
         "ampersand": "&",
-        "slash": "/",
-        "oparentheses": "(",
-        "cparentheses": ")",
         "equal": "=",
         "right": ">",
         "left": "<",
         "pipe": "|",
         "at": "@",
-        "top": "^",
-        "tilde": "~",
+        "ocurlybracket": "{",
+        "ccurlybracket": "}",
+        "osquarebracket": "[",
+        "csquarebracket": "]",
     }
     return {word_refs.get(c, c): name for c, name in layout_chars_config.items()}
 
diff --git a/overcooked_simulator/game_content/environment_config.yaml b/overcooked_simulator/game_content/environment_config.yaml
index d8d2d5f69ab32f03d74b67498b72a0227277687d..88c0ff81cbea7b012d46576684578b1110f863ff 100644
--- a/overcooked_simulator/game_content/environment_config.yaml
+++ b/overcooked_simulator/game_content/environment_config.yaml
@@ -17,7 +17,7 @@ meals:
     - Salad
 
 layout_chars:
-  underscore: Free
+  _: Free
   hash: Counter
   A: Agent
   P: PlateDispenser
@@ -25,7 +25,7 @@ layout_chars:
   X: Trashcan
   W: ServingWindow
   S: Sink
-  plus: SinkAddon
+  +: SinkAddon
   U: Pot  # with Stove
   Q: Pan  # with Stove
   O: Peel  # with Oven