diff --git a/Dockerfile b/Dockerfile
index d1cea88..0a77357 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,8 +39,9 @@ RUN pip install --upgrade pip \
     selenium==4.2.0 \
     && rm -fr /root/.cache
 
+# set the R path
 ENV LD_LIBRARY_PATH /usr/local/lib/R/lib/:${LD_LIBRARY_PATH}
 
 # install R packages
 RUN Rscript -e "install.packages('knitr')" 
-RUN Rscript -e "install.packages('rmarkdown')"
\ No newline at end of file
+RUN Rscript -e "install.packages('rmarkdown')"