diff --git a/datascience-notebook/Dockerfile b/datascience-notebook/Dockerfile
index e85826e6..f7a586de 100644
--- a/datascience-notebook/Dockerfile
+++ b/datascience-notebook/Dockerfile
@@ -59,12 +59,12 @@ RUN mkdir /etc/julia && \
 USER ${NB_UID}
 
 # R packages including IRKernel which gets installed globally.
+# r-e1071: dependency of the caret R package
 RUN mamba install --quiet --yes \
     'r-base' \
     'r-caret' \
     'r-crayon' \
     'r-devtools' \
-    # r-e1071: dependency of the caret R package
     'r-e1071' \
     'r-forecast' \
     'r-hexbin' \
diff --git a/r-notebook/Dockerfile b/r-notebook/Dockerfile
index df5a500c..d2110b15 100644
--- a/r-notebook/Dockerfile
+++ b/r-notebook/Dockerfile
@@ -25,12 +25,12 @@ RUN ln -s /bin/tar /bin/gtar
 USER ${NB_UID}
 
 # R packages including IRKernel which gets installed globally.
+# r-e1071: dependency of the caret R package
 RUN mamba install --quiet --yes \
     'r-base' \
     'r-caret' \
     'r-crayon' \
     'r-devtools' \
-    # r-e1071: dependency of the caret R package
     'r-e1071' \
     'r-forecast' \
     'r-hexbin' \