gitconfig: Add comment about sqlite3dump.

diff --git a/gitconfig.m4 b/gitconfig.m4
index 9ef037614fa79283d3d661dfa4739174e3ce69e5..0bf7b0037f3912de7a398d3cf4e6d8edb831457a 100644 (file)
--- a/gitconfig.m4
+++ b/gitconfig.m4
@@ -60,7 +60,8 @@ include(../lib.m4)
        renames = copy
 
 # Allow diffing of PDF files. `pdftotext-` is a wrapper around pdftotext which
-# writes to stdout.
+# writes to stdout. `sqlite3dump` is a wrapper calling `sqlite3 database-file
+# .dump`.
 [diff "pdf"]
        textconv = pdftotext-
 [diff "sqlite"]