Update help message / docs for the drop subcommand. (#263)

Author: badmonster0

docs/docs/core/cli.mdx

@@ -61,11 +61,12 @@ The following subcommands are available:
 | Subcommand | Description |
 | ---------- | ----------- |
 | `ls` | List all flows. |
-| `server` | Start a HTTP server providing REST APIs. It will allow tools like CocoInsight to access the server. |
-| `setup` | Check and apply setup changes for flows, including the internal and target storage (to export). |
 | `show` | Show the spec for a specific flow. |
+| `setup` | Check and apply backend setup changes for flows, including the internal and target storage (to export). |
+| `drop` | Drop the backend setup for specified flows. |
 | `update` | Update the index defined by the flow. |
 | `evaluate` | Evaluate the flow and dump flow outputs to files.  Instead of updating the index, it dumps what should be indexed to files. Mainly used for evaluation purpose. |
+| `server` | Start a HTTP server providing REST APIs. It will allow tools like CocoInsight to access the server. |
 
 Use `--help` to see the full list of subcommands, and `subcommand --help` to see the usage of a specific one.
 

python/cocoindex/cli.py

@@ -77,10 +77,11 @@ def setup():
 @click.argument("flow_name", type=str, nargs=-1)
 @click.option(
     "-a", "--all", "drop_all", is_flag=True, show_default=True, default=False,
-    help="Drop all flows with persisted setup, even if not defined in the current process.")
+    help="Drop the backend setup for all flows with persisted setup, "
+         "even if not defined in the current process.")
 def drop(flow_name: tuple[str, ...], drop_all: bool):
     """
-    Drop the backend for specified flows.
+    Drop the backend setup for specified flows.
     If no flow is specified, all flows defined in the current process will be dropped.
     """
     if drop_all: