diff --git a/src/lexer.c b/src/lexer.c
index 06bc4c9..74dd64f 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -26,6 +26,7 @@ double acc_float(int c) {
     if (*inp ==  '.') {
         char* oinp = inp++;
         while (isdigit(*inp)) {
+            // TODO:
             // Accumulate as int, divide once at end.
             value = value + (((double)(*inp - '0'))/pow(10.0l, (double)(inp-oinp))); // Accumulate value.
             inp++;