Update SSM copy shell help

ober

9de4573535018c8c80cffd2ae3fbac659a341f1b

diff --git a/jerboa-src/src/jsh/aws.ss b/jerboa-src/src/jsh/aws.ss
index 1a4d287..ccd8a66 100644
--- a/jerboa-src/src/jsh/aws.ss
+++ b/jerboa-src/src/jsh/aws.ss
@@ -162,4 +162,4 @@
 (meta-register! "pssm" pssm-handler
   "parallel SSM across EC2 instances — provided by jerboa-aws package")
 (meta-register! "ssmcp" ssmcp-handler
-  "recursive upload over AWS SSM — provided by jerboa-aws package")
+  "single-host recursive copy over AWS SSM — provided by jerboa-aws package")
diff --git a/jsh.ss b/jsh.ss
index 971efd0..19d8a00 100644
--- a/jsh.ss
+++ b/jsh.ss
@@ -254,7 +254,8 @@
     (help-lines-if 'aws
       '("  ,aws <service> <action>   AWS CLI (ec2, s3, sts, iam, ...)"
         "  ,pssm <pattern> <cmd>     parallel SSM across EC2 instances"
-        "  ,ssmcp <pattern> SRC DST  recursive upload over AWS SSM"))
+        "  ,ssmcp HOST:PATH LOCAL    recursive copy over AWS SSM"
+        "  ,ssmcp LOCAL HOST:PATH    recursive copy over AWS SSM"))
     (help-lines-if 'yubikey
       '("  ,yk                      show YubiKey presence"
         "  ,yubi                    show YubiKey presence"