Update __init__.py

trans/transpiler/__init__.py

@@ -126,7 +126,13 @@ def exception_hook(exc_type, exc_value, tb):
 
 def find_indices(s, indices: list[int]) -> list[int]:
     """
-    Matches indices to an ANSI-colored string
+    Matches indices to an ANSI-colored string.
+
+    :param s: An input string. This will usually be a line from a Python file that has been highlighted using Pygments.
+    :param indices: A list of indices to match. These will come from the `ast` parser and are UTF-8 *byte* offsets,
+                    not *characters*!
+    :return: A list of *character* offsets that match the given indices, such text can be inserted at these indices and
+             end up in the expected place.
     """
     results = set()
     i = 0