redis-cli commands description in help.h updated.

src/help.h

@@ -325,7 +325,7 @@ struct commandHelp {
     1,
     "1.0.0" },
     { "MIGRATE",
-    "host port key destination db timeout",
+    "host port key destination-db timeout",
     "Atomically transfer a key from a Redis instance to another one.",
     0,
     "2.6.0" },
@@ -370,7 +370,7 @@ struct commandHelp {
     0,
     "2.6.0" },
     { "PEXPIREAT",
-    "key milliseconds timestamp",
+    "key milliseconds-timestamp",
     "Set the expiration for a key as a UNIX timestamp specified in milliseconds",
     0,
     "2.6.0" },
@@ -425,7 +425,7 @@ struct commandHelp {
     0,
     "1.0.0" },
     { "RESTORE",
-    "key ttl serialized value",
+    "key ttl serialized-value",
     "Create a key using the provided serialized value, previously obtained using DUMP.",
     0,
     "2.6.0" },