diff --git a/Documentation/config.txt b/Documentation/config.txt
index 475e874d51..3455412e69 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -662,7 +662,8 @@ core.packedGitLimit::
 	bytes at once to complete an operation it will unmap existing
 	regions to reclaim virtual address space within the process.
 +
-Default is 256 MiB on 32 bit platforms and 8 GiB on 64 bit platforms.
+Default is 256 MiB on 32 bit platforms and 32 TiB (effectively
+unlimited) on 64 bit platforms.
 This should be reasonable for all users/operating systems, except on
 the largest projects.  You probably do not need to adjust this value.
 +