core: add single space where it is due

README.md

@@ -13,11 +13,11 @@ You’re not alone: I also wish the code were documented.
 `cfg` has no comments, but let’s pretend we had `#` comments.
 
 ```
-# lists start with a name, then an indent, then a hyphen,
+# lists start with a name, then an indent, then a hyphen, a space,
 # and then a value
 my_list
-  -"value"
-  -12
+  - "value"
+  - 12
 
 # strings are quoted
 my_string "this is a string"
@@ -31,7 +31,7 @@ my_section
   my_second_numer 23.0
 ```
 
-Keys cannot contain spaces. Indents are always two spaces. There is no space
+Keys cannot contain spaces. Indents are always two spaces. There is one space
 between the hyphen and the value and an array. This is all.
 
 It is a simple format, some might think it is too simple. It is, however,