rpm: Fix typo in summary of prometheus-alerts package

[theMarix]

Signed-off-by: Matthias Bach marix@marix.org

[tchaikov]

187/204 Test #194: unittest_seastar_messenger ................***Exception: Child aborted  8.27 sec
WARNING: debug mode. Not for benchmarking or production
WARN  2020-09-01 19:37:19,648 [shard 0] seastar - Unable to set SCHED_FIFO scheduling policy for timer thread; latency impact possible. Try adding CAP_SYS_NICE
INFO  2020-09-01 19:37:19,718 [shard 0] ms - test_echo(rounds=512, keepalive_ratio=0.1, v2=0):
INFO  2020-09-01 19:37:19,723 [shard 0] ms - [osd.1(server2) v1:127.0.0.1:9011/2] bind: done
INFO  2020-09-01 19:37:19,723 [shard 0] ms - [osd.0(server1) v1:127.0.0.1:9010/1] bind: done
INFO  2020-09-01 19:37:19,726 [shard 0] ms - [osd.3(client2) - >> osd.? v1:127.0.0.1:9010/1] write_event: delay ...
INFO  2020-09-01 19:37:19,727 [shard 0] ms - [osd.2(client1) - >> osd.? v1:127.0.0.1:9011/2] write_event: delay ...
/home/jenkins-build/build/workspace/ceph-pull-requests/src/common/buffer.cc:2154:24: runtime error: member access within null pointer of type 'struct raw'

[tchaikov]

https://pulpito.ceph.com/kchai-2020-09-03_12:28:02-rados-wip-kefu-testing-2020-09-02-1016-distro-basic-smithi/

the packages built. the failures are not related.

[tchaikov]

jenkins test make check