update meta.yml and remove the cleanup step.

modules/motus/downloaddb/main.nf

@@ -27,8 +27,6 @@ process MOTUS_DOWNLOADDB {
     python ${software} \\
         $args \\
         -t $task.cpus
-    ## clean up
-    rm ${software}
 
     ## mOTUs version number is not available from command line.
     ## mOTUs save the version number in index database folder.

modules/motus/downloaddb/meta.yml

@@ -7,8 +7,6 @@ keywords:
   - taxonomic profiling
   - database
   - download
-  - database
-  - download
 tools:
   - "motus":
       description: "The mOTU profiler is a computational tool that estimates relative taxonomic abundance of known and currently unknown microbial community members using metagenomic shotgun sequencing data."
@@ -22,7 +20,9 @@ input:
   - motus_downloaddb:
       type: directory
       description: |
-        the mOTUs downloadDB script source file
+        The mOTUs downloadDB script source file.
+        It is the source file installed or
+        remote source in github such as https://raw.githubusercontent.com/motu-tool/mOTUs/master/motus/downloadDB.py
       pattern: "downloadDB.py"
 
 output: