diff --git a/ast_parser/gaz_unparser.py b/ast_parser/gaz_unparser.py
index 10ea831..f525ec5 100644
--- a/ast_parser/gaz_unparser.py
+++ b/ast_parser/gaz_unparser.py
@@ -42,7 +42,7 @@ def to_gaz_op(param):
         return "*"
     elif param == "division":
         return "/"
-    elif param == "modulus":
+    elif param == "modulo":
         return "%"
     elif param == "power":
         return "^"
diff --git a/ast_parser/general_unparser.py b/ast_parser/general_unparser.py
index ddf670a..98d59f9 100644
--- a/ast_parser/general_unparser.py
+++ b/ast_parser/general_unparser.py
@@ -18,7 +18,7 @@ class GeneralUnparser:
                  arg_start_delimiter: str = "(",
                  arg_end_delimiter: str = ")",
                  arg_separator: str = ",",
-                 loop_start_delimiter: str = "loop (",
+                 loop_start_delimiter: str = "loop while (",
                  loop_end_delimiter: str = ")",
                  assignment_character: str = '=',
                  conditional_start_delimiter: str = "if (",