diff --git a/README.md b/README.md
index 39704e7d..622a21a4 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ nextflow run nf-core/proteinfold \
    --outdir <OUTDIR>
 ```
 
-The pipeline takes care of downloading the required databases and parameters required by AlphaFold2, Colabfold or ESMFold. In case you have already downloaded the required files, you can skip this step by providing the path using the corresponding parameter [`--alphafold2_db`], [`--colabfold_db`] or [`--esmfold_db`]
+The pipeline takes care of downloading the databases and parameters required by AlphaFold2, Colabfold or ESMFold. In case you have already downloaded the required files, you can skip this step by providing the path to the databases in parameters using the corresponding parameter [`--alphafold2_db`], [`--colabfold_db`] or [`--esmfold_db`]
 
 - Typical command to run AlphaFold2 mode:
 
diff --git a/modules/local/download_pdbmmcif.nf b/modules/local/download_pdbmmcif.nf
index fef63755..98ef831e 100644
--- a/modules/local/download_pdbmmcif.nf
+++ b/modules/local/download_pdbmmcif.nf
@@ -2,6 +2,7 @@
  * Download PDB MMCIF database
  */
 process DOWNLOAD_PDBMMCIF {
+    tag "${source_url_pdb_mmcif}--${source_url_pdb_obsolete}"
     label 'process_low'
     label 'error_retry'