diff --git a/SLS_C/src/lexer.c b/SLS_C/src/lexer.c
index 9a41eb2..d012197 100644
--- a/SLS_C/src/lexer.c
+++ b/SLS_C/src/lexer.c
@@ -685,6 +685,9 @@ static LexerResult convert_to_token_string(LexerInfo *lexer_info, LexerTokenResu
             token_string.tokens[i].type = TOKEN_STRING;
             token_string.tokens[i].string_literal = sls_str_cpy(current->result.string_literal);
         } else if (current->result.type == TOKEN_TOKEN_STRING) {
+            // TODO: This is only a half deep copy
+            //  Any token strings inside the token string are not copied correctly
+            //  A token string deep copy function is likely in order
             token_string.tokens[i].type = TOKEN_TOKEN_STRING;
             token_string.tokens[i].token_string = (TokenString){
                 .length = current->result.token_string.length,