Updated comment explaining function

numeric_base.cpp

@@ -13,7 +13,7 @@ unsigned int to_decimal(std::string num, int from_base) {
 
 	/* Here, we convert 'num' to decimal (base 10) - Find the index of
 	every character in the string, in 'possible_chars' and
-	compute the value using  */
+	compute the value using the position of the character in the number. */
 	for (int i=0; i < (int)num.length(); i++) {
 		current_char = num.at(i);
 		index = possible_chars.find(toupper(current_char)); // Convert the character to upper-case, so that the earliest match is detected