typo in Dockerfile

Dockerfile

@@ -50,7 +50,7 @@ RUN umask 0002 && \
     cd .. && mkdir -p 'examples (read only)/.ipynb_checkpoints' && \
     chmod -R a-w 'examples (read only)' && \
     mkdir 'seminator (read only)' && \
-    cp /usr/share/doc/seminator/notebooks/*.ipynb* 'seminator (read only)' && \
+    cp /usr/local/share/doc/seminator/notebooks/*.ipynb* 'seminator (read only)' && \
     cd 'seminator (read only)' && \
     for i in *.ipynb; do mv $i tmp-$i; jupyter nbconvert --to notebook tmp-$i --stdout > $i; rm -f tmp-$i; jupyter trust $i; done && \
     cd .. && mkdir -p 'seminator (read only)/.ipynb_checkpoints' && \