diff --git a/DESCRIPTION b/DESCRIPTION
index 15ff948..73b137e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -51,6 +51,7 @@ Suggests:
     Seurat,
     cowplot,
     scRNAseq,
+    SingleR,
     SPOTlight,
     SubcellularSpatialData,
     forcats,
diff --git a/vignettes/Session_2_Tidy_spatial_analyses.Rmd b/vignettes/Session_2_Tidy_spatial_analyses.Rmd
index 1299062..0bf3ea0 100644
--- a/vignettes/Session_2_Tidy_spatial_analyses.Rmd
+++ b/vignettes/Session_2_Tidy_spatial_analyses.Rmd
@@ -921,8 +921,6 @@ knitr::include_graphics(here("inst/images/cellNexus.png"))
 library(cellNexus)
 library(HDF5Array)
 
-
-
 brain_reference =
   
   # Query metadata across 30M cells
@@ -941,7 +939,7 @@ brain_reference =
 brain_reference
 ```
 
-For large collection it is convenient (more efficient to query) to repackage the on-disl object in a consolidated file
+DON'T RUN: For large collection it is convenient (more efficient to query) to repackage the on-disl object in a consolidated file
 
 ```{r, eval=FALSE}
 DelayedArray::setAutoBlockSize(size = 1e+09)