diff --git a/Dockerfile/dockerfile_basics.md b/Dockerfile/dockerfile_basics.md
index 3ff97c3..4aac488 100644
--- a/Dockerfile/dockerfile_basics.md
+++ b/Dockerfile/dockerfile_basics.md
@@ -1,11 +1,11 @@
 # Dockerfile basics
 
 FROM 
-RUN - (Use RUN command only once, becuase each run command create a new lower)
+RUN -- (Use RUN command only once, becuase each run command create a new lower)
 COPY 
-ADD - (To download content inside the container) - Recheck this 
+ADD -- (To download content inside the container) - Recheck this 
 EXPOSE 
-CMD  - There can only be one CMD instruction in a Dockerfile. If you list more than one CMD then only the last CMD will take effect.
+CMD -- There can only be one CMD instruction in a Dockerfile. If you list more than one CMD then only the last CMD will take effect.
 ENTRYPONT
 
 Create a 1st Docker file to setup tomcat.