tal: fix tal_check description

Cut & paste bug.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/ccan/tal/tal.h b/ccan/tal/tal.h
index 0b050759f74ed97829661de5dc2488af74264fe9..3da1e4203d8edcb332e4701d876c05091977acbc 100644 (file)
--- a/ccan/tal/tal.h
+++ b/ccan/tal/tal.h
@@ -355,13 +355,16 @@ void tal_cleanup(void);
 
 
 /**
- * tal_check - set the allocation or error functions to use
+ * tal_check - sanity check a tal context and its children.
  * @ctx: a tal context, or NULL.
  * @errorstr: a string to prepend calls to error_fn, or NULL.
  *
  * This sanity-checks a tal tree (unless NDEBUG is defined, in which case
  * it simply returns true).  If errorstr is not null, error_fn is called
  * when a problem is found, otherwise it is not.
+ *
+ * See also:
+ *     tal_set_backend()
  */
 bool tal_check(const tal_t *ctx, const char *errorstr);