DEV: flags: use "sc" for stream conns instead of "cs"
"cs" used to stand for "conn_stream" while these objects are now called
"stream connectors", "stconn" or "sc". Let's just use "sc" here.
diff --git a/dev/flags/README b/dev/flags/README
index 7693c74..f3730c7 100644
--- a/dev/flags/README
+++ b/dev/flags/README
@@ -7,6 +7,6 @@
alone instead of the value.
It is possible to restrict the decoding to certain fields only by
-specifying one of "ana", "chn", "conn", "cs", "si", "sierr", "strm",
+specifying one of "ana", "chn", "conn", "sc", "si", "sierr", "strm",
"task", or "txn" before the value.