diff --git a/c.html.markdown b/c.html.markdown
index 2d54560b..bf93dcf5 100644
--- a/c.html.markdown
+++ b/c.html.markdown
@@ -388,8 +388,8 @@ int main (int argc, char** argv)
// respectively, use the CHAR_MAX, SCHAR_MAX and UCHAR_MAX macros from
// Integral types can be cast to floating-point types, and vice-versa.
- printf("%f\n", (float)100); // %f formats a float
- printf("%lf\n", (double)100); // %lf formats a double
+ printf("%f\n", (double) 100); // %f always formats a double...
+ printf("%f\n", (float) 100); // ...even with a float.
printf("%d\n", (char)100.0);
///////////////////////////////////////