diff --git a/bin/clustering.qmd b/bin/clustering.qmd
index 671471c..8c62585 100644
--- a/bin/clustering.qmd
+++ b/bin/clustering.qmd
@@ -1,6 +1,5 @@
 ---
-title: "nf-core/spatialvi"
-subtitle: "Dimensionality reduction and clustering"
+title: "Dimensionality reduction and clustering"
 format:
     nf-core-html: default
 jupyter: python3
diff --git a/bin/quality_controls.qmd b/bin/quality_controls.qmd
index 6bfe9c3..784ec78 100644
--- a/bin/quality_controls.qmd
+++ b/bin/quality_controls.qmd
@@ -1,6 +1,5 @@
 ---
-title: "nf-core/spatialvi"
-subtitle: "Pre-processing and quality controls"
+title: "Pre-processing and quality controls"
 format:
     nf-core-html: default
 jupyter: python3
diff --git a/bin/spatially_variable_genes.qmd b/bin/spatially_variable_genes.qmd
index 6d52c92..5adc45e 100644
--- a/bin/spatially_variable_genes.qmd
+++ b/bin/spatially_variable_genes.qmd
@@ -1,6 +1,5 @@
 ---
-title: "nf-core/spatialvi"
-subtitle: "Neighborhood enrichment analysis and Spatially variable genes"
+title: "Neighborhood enrichment analysis and Spatially variable genes"
 format:
     nf-core-html: default
 jupyter: python3
diff --git a/conf/modules.config b/conf/modules.config
index 6740b30..4ec1fbf 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -57,6 +57,7 @@ process {
 
     withName: 'READ_DATA|QUALITY_CONTROLS|CLUSTERING|SPATIALLY_VARIABLE_GENES' {
         ext.prefix = { "${notebook.baseName}" }
+        ext.args = { "--metadata subtitle:'Sample: ${meta.id}'" }
         publishDir = [
             [
                 path: { "${params.outdir}/${meta.id}/reports" },
diff --git a/subworkflows/local/downstream.nf b/subworkflows/local/downstream.nf
index a477bbc..4f6d742 100644
--- a/subworkflows/local/downstream.nf
+++ b/subworkflows/local/downstream.nf
@@ -9,7 +9,7 @@ include { QUARTONOTEBOOK as CLUSTERING               } from '../../modules/nf-co
 workflow DOWNSTREAM {
 
     take:
-    sdata_raw
+    sdata_raw // Channel: [ meta, zarr ]
 
     main: