t_set.c comment update for srandmemberWithCountCommand (#7922)

Reference the correct "case", case 4, in the comment explaining the need
for case 3, when the number of request items is too close to the
cardinality of the set. Case 4 is indeed the "natural approach"
referenced earlier in that sentence.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/t_set.c b/src/t_set.c
index b4f308963..c1e7fddef 100644
--- a/src/t_set.c
+++ b/src/t_set.c
@@ -694,7 +694,7 @@ void srandmemberWithCountCommand(client *c) {
      *
      * This is done because if the number of requested elements is just
      * a bit less than the number of elements in the set, the natural approach
-     * used into CASE 3 is highly inefficient. */
+     * used into CASE 4 is highly inefficient. */
     if (count*SRANDMEMBER_SUB_STRATEGY_MUL > size) {
         setTypeIterator *si;