Make some minor corrections.

demo/Dockerfile

@@ -12,7 +12,6 @@ RUN apt-get update && apt-get install --yes byobu locales locales-all
 COPY setup.sh setup_libs.sh package.json yarn.lock ./
 COPY client/package.json client/yarn.lock client/
 
-# Avoid issues with pull Git repos during the build.
+# Avoid issues with pulling Git repos during the build.
 RUN git config --global url."https://".insteadOf git://
-
 RUN bash setup.sh

demo/README.md

@@ -30,7 +30,8 @@ Run
 ```
 
 ## Troubleshooting Setup
-Try using the Docker container. If you don't want to, make sure you're using Node 10 LTS.
+Try using the Docker container.
+If you don't want to, make sure you're using Node 10 LTS.
 
 If you have problems running the setup steps related to node-gyp, then you might need to set Python 2.7 to be your default (just during the installation).
 Recommendation: Temporarily set up a Python 2.7 Conda environment (just for the installation) and activate it:

demo/service.Dockerfile

@@ -23,7 +23,7 @@ RUN apt-get update && apt-get install --fix-missing --yes build-essential git lo
 COPY client ./client
 COPY package.json server.js setup.sh setup_libs.sh yarn.lock ./
 
-# Avoid issues with pull Git repos during the build.
+# Avoid issues with pulling Git repos during the build.
 RUN git config --global url."https://".insteadOf git://
 RUN NODE_ENV='production' bash setup.sh