diff --git a/python_scripts/datasets_blood_transfusion.py b/python_scripts/datasets_blood_transfusion.py
index cca0c3439..1042f16f1 100644
--- a/python_scripts/datasets_blood_transfusion.py
+++ b/python_scripts/datasets_blood_transfusion.py
@@ -46,7 +46,7 @@
 # * `Recency`: the time in months since the last time a person intended to give
 #   blood;
 # * `Frequency`: the number of time a person intended to give blood in the past;
-# * `Monetary`: the amount of blood given in the past (in c.c.);
+# * `Monetary`: the amount of blood given in the past (in cm³);
 # * `Time`: the time in months since the first time a person intended to give
 #   blood.
 #
diff --git a/python_scripts/metrics_classification.py b/python_scripts/metrics_classification.py
index e6304c851..9af7d5cfd 100644
--- a/python_scripts/metrics_classification.py
+++ b/python_scripts/metrics_classification.py
@@ -78,7 +78,7 @@
 # predictions a classifier can provide.
 #
 # For this reason, we will create a synthetic sample for a new potential donor:
-# they donated blood twice in the past (1000 c.c. each time). The last time was
+# they donated blood twice in the past (1000 cm³ each time). The last time was
 # 6 months ago, and the first time goes back to 20 months ago.
 
 # %%