Help RDoc find Exception [ci skip]

This was on top of `Init_Exception()`.

1 files changed, 2 insertions, 0 deletions

diff --git a/error.c b/error.c
index 575c3ebfe0..1d9b66c328 100644
--- a/error.c
+++ b/error.c
@@ -2579,6 +2579,8 @@ syserr_eqq(VALUE self, VALUE exc)
  */
 
 /*
+ *  Document-class: Exception
+ *
  *  \Class Exception and its subclasses are used to communicate between
  *  Kernel#raise and +rescue+ statements in <code>begin ... end</code> blocks.
  *