Fix comments in Dockerfile
diff --git a/Dockerfile b/Dockerfile
index f7eb814..32d0a29 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,12 +5,12 @@
 ENV JENKINS_HOME /var/jenkins_home
 ENV JENKINS_SLAVE_AGENT_PORT 50000
 
-# Jenkins is ran with user `jenkins`, uid = 1000
-# If you bind mount a volume from host/volume from a data container, 
-# ensure you use same uid
+# Jenkins is run with user `jenkins`, uid = 1000
+# If you bind mount a volume from the host or a data container, 
+# ensure you use the same uid
 RUN useradd -d "$JENKINS_HOME" -u 1000 -m -s /bin/bash jenkins
 
-# Jenkins home directoy is a volume, so configuration and build history 
+# Jenkins home directory is a volume, so configuration and build history 
 # can be persisted and survive image upgrades
 VOLUME /var/jenkins_home
 
@@ -51,5 +51,5 @@
 COPY jenkins.sh /usr/local/bin/jenkins.sh
 ENTRYPOINT ["/bin/tini", "--", "/usr/local/bin/jenkins.sh"]
 
-# from a derived Dockerfile, can use `RUN plugin.sh active.txt` to setup /usr/share/jenkins/ref/plugins from a support bundle
+# from a derived Dockerfile, can use `RUN plugins.sh active.txt` to setup /usr/share/jenkins/ref/plugins from a support bundle
 COPY plugins.sh /usr/local/bin/plugins.sh