tweaks: adjust spacing and wording in sample.nanorc

doc/sample.nanorc.in

@@ -72,7 +72,7 @@
 # set linenumbers
 
 ## Enable vim-style lock-files.  This is just to let a vim user know you
-## are editing a file [s]he is trying to edit and vice versa. There are
+## are editing a file [s]he is trying to edit and vice versa.  There are
 ## no plans to implement vim-style undo state in these files.
 # set locking
 
@@ -168,7 +168,7 @@
 # set softwrap
 
 ## Use this spelling checker instead of the internal one.  This option
-## does not properly have a default value.
+## does not have a default value.
 # set speller "aspell -x -c"
 
 ## Allow nano to be suspended.