Fix a few heading markers that were missing a space between marker and

text.

getting_started/getting-started.md

@@ -23,7 +23,7 @@ as URLs for the various data services, the station name in the DM, the location
 of a file which defines the login to be used when running commands and adding 
 the path to DM system commands to the PATH.   
 
-##DM System Commands
+## DM System Commands
 -----
 After execution of the setup script, the PATH will include the path to commands 
 for interacting with the DM System.  A list of these commands, at the time of 
@@ -113,7 +113,7 @@ the list of users in the system.  the --proposal-id and --esaf-id options on com
 like dm-STATION\_NAME-upload and dm-create-experiment will add a list of users which 
 are defined in the esaf or proposal to the created experiment.
 
-####Displaying information in the system
+#### Displaying information in the system
 
 Other DM commands show useful information, and can adjust what and how the 
 information is displayed.  `dm-list-experiments` lists the experiments showing