Fix typos

Closes: #43

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

template/python3-flask-debian/Dockerfile

@@ -25,7 +25,7 @@ COPY requirements.txt   .
 USER root
 RUN pip install -r requirements.txt
 
-#build function directory and install user specified componenets.
+# Build the function directory and install any user-specified components
 USER app
 
 RUN mkdir -p function

template/python3-flask/Dockerfile

@@ -25,7 +25,7 @@ COPY requirements.txt   .
 USER root
 RUN pip install -r requirements.txt
 
-#build function directory and install user specified componenets.
+# Build the function directory and install any user-specified components
 USER app
 
 RUN mkdir -p function

template/python3-http/Dockerfile

@@ -24,7 +24,7 @@ COPY requirements.txt   .
 USER root
 RUN pip install -r requirements.txt
 
-#build function directory and install user specified componenets.
+# Build the function directory and install any user-specified components
 USER app
 
 RUN mkdir -p function