diff --git a/lessons/04_cellranger_QC.qmd b/lessons/04_cellranger_QC.qmd
index c740ada..c283f66 100644
--- a/lessons/04_cellranger_QC.qmd
+++ b/lessons/04_cellranger_QC.qmd
@@ -91,7 +91,7 @@ Note that prior to this step, **you must have a cellranger compatible reference
 
 Here we are showing an example of how to run `cellranger count` on Harvard's O2 HPC using SLURM. To run this script, you will have to add additional information, such as:
 
-- The name of the project (the results will be placed in a -older of the same name)
+- The name of the project (the results will be placed in a folder of the same name)
 - Path to the FASTQ files from your experiment
 - Path to the reference genome 
 
@@ -469,4 +469,4 @@ In the **next lesson, we will use `raw_feature_bc_matrix`** to load the counts i
 
 [Next Lesson >>](05_quality_control.qmd)
 
-[Back to Schedule](../schedule/schedule.qmd)
\ No newline at end of file
+[Back to Schedule](../schedule/schedule.qmd)