Fix formatting of manifest doc

docs/man/man7/cdist-manifest.text

@@ -110,6 +110,7 @@ setup the variable "require" to contain the requirements. Multiple
 requirements can be added white space separated.
 
 --------------------------------------------------------------------------------
+
  1 # No dependency
  2 __file /etc/cdist-configured
  3 
@@ -121,19 +122,18 @@ requirements can be added white space separated.
  9 require="__file/etc/cdist-configured __link/tmp/cdist-testfile" \
 10    __file /tmp/cdist-another-testfile
 
-
 --------------------------------------------------------------------------------
 
 Above the "require" variable is only set for the command that is 
 immediately following it. Dependencies should allways be declared that way.
 
-On line 4 you can see that the instantion of a type "__link" object needs
+On line 4 you can see that the instantion of a type "\__link" object needs
 the object "__file/etc/cdist-configured" to be present, before it can proceed.
 
-This also means that the "__link" command must make sure, that either
-"__file/etc/cdist-configured" allready is present, or, if it's not, it needs
+This also means that the "\__link" command must make sure, that either
+"\__file/etc/cdist-configured" allready is present, or, if it's not, it needs
 to be created. The task of cdist is to make sure, that the dependency will be
-resolved appropriately and thus "__file/etc/cdist-configured" be created
+resolved appropriately and thus "\__file/etc/cdist-configured" be created
 if necessary before "__link" proceeds (or to abort execution with an error).
 
 All objects that are created in a type manifest are automatically required