Update config.md

static/docs/command-reference/config.md

@@ -55,9 +55,9 @@ corresponding config file.
 
 ## Configuration sections
 
-Sections are essentially a collection of options that define a particular setting. 
-These `name` parameters can be used with `dvc config`, or in the <abbr>project</abbr> 
-config file (`.dvc/config`).
+Sections are essentially a collection of options that define a particular 
+setting like `core`, or `remote`. These are written to the project config file 
+(in `.dvc/config` by default) by this command, and support the options below:
 
 ### core
 
@@ -93,7 +93,7 @@ A DVC project <abbr>cache</abbr> is the hidden storage (by default located in
 the `.dvc/cache` directory) for files that are under DVC control, and their
 different versions. (See `dvc cache` and
 [DVC Files and Directories](/doc/user-guide/dvc-files-and-directories#structure-of-cache-directory)
-for more details.)
+for more details.) This section contains the following options:
 
 - `cache.dir` - set/unset cache directory location. A correct value must be
   either an absolute path or a path **relative to the config file location**.
@@ -170,8 +170,7 @@ for more details.)
 
 ### state
 
-State config options. See
-[DVC Files and Directories](/doc/user-guide/dvc-files-and-directories) to learn
+See [DVC Files and Directories](/doc/user-guide/dvc-files-and-directories) to learn
 more about the state file (database) that is used for optimization.
 
 - `state.row_limit` - maximum number of entries in the state database, which