remote: add promisor and partial clone config to the doc

diff --git a/Documentation/config/gc.txt b/Documentation/config/gc.txt
index 56918a5008cc43863adfd996b262705fa449925a..02b92b18b5c2cf6f9d509483a4bb995f3677d519 100644 (file)
--- a/Documentation/config/gc.txt
+++ b/Documentation/config/gc.txt
@@ -1,7 +1,8 @@
 gc.aggressiveDepth::
        The depth parameter used in the delta compression
        algorithm used by 'git gc --aggressive'.  This defaults
-       to 50.
+       to 50, which is the default for the `--depth` option when
+       `--aggressive` isn't in use.
 +
 See the documentation for the `--depth` option in
 linkgit:git-repack[1] for more details.
@@ -9,7 +10,8 @@ linkgit:git-repack[1] for more details.
 gc.aggressiveWindow::
        The window size parameter used in the delta compression
        algorithm used by 'git gc --aggressive'.  This defaults
-       to 250.
+       to 250, which is a much more aggressive window size than
+       the default `--window` of 10.
 +
 See the documentation for the `--window` option in
 linkgit:git-repack[1] for more details.
@@ -30,7 +32,7 @@ gc.autoPackLimit::
        When there are more than this many packs that are not
        marked with `*.keep` file in the repository, `git gc
        --auto` consolidates them into one larger pack.  The
-       default value is 50.  Setting this to 0 disables it.
+       default value is 50.  Setting this to 0 disables it.
        Setting `gc.auto` to 0 will also disable this.
 +
 See the `gc.bigPackThreshold` configuration variable below. When in