diff --git a/mercurial/helptext/internals/dirstate-v2.txt b/mercurial/helptext/internals/dirstate-v2.txt
--- a/mercurial/helptext/internals/dirstate-v2.txt
+++ b/mercurial/helptext/internals/dirstate-v2.txt
@@ -424,15 +424,15 @@
     Only the `S_IXUSR` bit (owner has execute permission) is considered.
 
   * Offset 35:
-    If `HAS_MTIME` is unset, four zero bytes.
-    Otherwise, a 32-bit integer for expected modified time of the file
-    (as in `stat_result.st_mtime`),
+    If `HAS_MODE_AND_SIZE` is unset, four zero bytes.
+    Otherwise, a 32-bit integer for expected size of the file
     truncated to its 31 least-significant bits.
     Unlike in dirstate-v1, negative values are not used.
 
   * Offset 39:
-    If `HAS_MODE_AND_SIZE` is unset, four zero bytes.
-    Otherwise, a 32-bit integer for expected size of the file
+    If `HAS_MTIME` is unset, four zero bytes.
+    Otherwise, a 32-bit integer for expected modified time of the file
+    (as in `stat_result.st_mtime`),
     truncated to its 31 least-significant bits.
     Unlike in dirstate-v1, negative values are not used.
 
diff --git a/rust/hg-core/src/dirstate_tree/on_disk.rs b/rust/hg-core/src/dirstate_tree/on_disk.rs
--- a/rust/hg-core/src/dirstate_tree/on_disk.rs
+++ b/rust/hg-core/src/dirstate_tree/on_disk.rs
@@ -114,8 +114,8 @@
 #[repr(C)]
 struct Entry {
     mode: I32Be,
+    size: I32Be,
     mtime: I32Be,
-    size: I32Be,
 }
 
 /// Duration since the Unix epoch