diff --git a/current-year/practicals/reference_genome/pt-1-read-cleaning.md b/current-year/practicals/reference_genome/pt-1-read-cleaning.md
index ec22d2d..1df7d2e 100644
--- a/current-year/practicals/reference_genome/pt-1-read-cleaning.md
+++ b/current-year/practicals/reference_genome/pt-1-read-cleaning.md
@@ -73,6 +73,9 @@ directory):
 └── WHATIDID.txt
 ```
 
+> **_Note:_**
+> You should actually create this directories and get this tree structure by running `tree` command inside the directory ending with `-read_cleaning`.
+
 Being disciplined about structuring analyses is *extremely important*. It is similar to having
 a laboratory notebook. It will prevent you from becoming overwhelmed by having
 too many files, or not remembering what you did where.
diff --git a/current-year/practicals/reference_genome/pt-3-prediction.md b/current-year/practicals/reference_genome/pt-3-prediction.md
index eeffe81..8ac23e7 100644
--- a/current-year/practicals/reference_genome/pt-3-prediction.md
+++ b/current-year/practicals/reference_genome/pt-3-prediction.md
@@ -135,9 +135,10 @@ We will compare them using BLAST to known sequences from other species against t
 
 We will use [SequenceServer](https://sequenceserver.com) to run BLAST. Open [genomicscourse.sequenceserver.com](https://genomicscourse.sequenceserver.com) in your browser, paste the [example rice and honeybee protein sequences](predictions.fa) 
 in the textbox and click on the 'BLAST' button to run a BLAST search. *THIS WILL TAKE A MINUTE 
-OR TWO*. Alternatively, just use the results of the 
+OR TWO*. 
+<!-- Alternatively, just use the results of the 
 [BLAST that we performed before](https://genomicscourse.sequenceserver.com/42c77718-7b26-43eb-8315-d4ee9df96985).
-
+ -->
 > **_Question:_**  
 > Look at the BLAST results:
 > * Do any of the gene predictions have significant similarity to known