Fixed misspelling
@@ -39,7 +39,7 @@ The command started using `docker exec` only runs while the container's primary
process (`PID 1`) is running, and it is not restarted if the container is
restarted.
-COMMAND will run in the default directory of the container. It the
+COMMAND will run in the default directory of the container. If the
underlying image has a custom directory specified with the WORKDIR directive
in its Dockerfile, this will be used instead.
