fix minor typos (#2666)

Very, very minor typos I noticed.

docker/Dockerfile

@@ -12,7 +12,7 @@ LABEL org.opencontainers.image.authors="mauwii@outlook.de"
 RUN rm -f /etc/apt/apt.conf.d/docker-clean \
   && echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' >/etc/apt/apt.conf.d/keep-cache
 
-# Install necesarry packages
+# Install necessary packages
 RUN \
   --mount=type=cache,target=/var/cache/apt,sharing=locked \
   --mount=type=cache,target=/var/lib/apt,sharing=locked \
@@ -78,7 +78,7 @@ RUN python3 -c "from patchmatch import patch_match"
 #####################
 FROM python-base AS runtime
 
-# Create a new User
+# Create a new user
 ARG UNAME=appuser
 RUN useradd \
   --no-log-init \

docker/build.sh

@@ -36,7 +36,7 @@ echo -e "Container Image:\t${CONTAINER_IMAGE}\n"
 if [[ -n "$(docker volume ls -f name="${VOLUMENAME}" -q)" ]]; then
     echo -e "Volume already exists\n"
 else
-    echo -n "createing docker volume "
+    echo -n "creating docker volume "
     docker volume create "${VOLUMENAME}"
 fi