diff --git a/arc/sync.md b/arc/sync.md
index d1cc0173d78461f62b9cd32afb0cf0f7b0e91c02..690824b4e8c1b5ecca9d93de10b69e104d3ad9ad 100644
--- a/arc/sync.md
+++ b/arc/sync.md
@@ -286,12 +286,14 @@ for each version V the remote lists (Remote::versions)
   revisions, publish on C's stamp; then retire V (resolved, removed)
 ```
 
-Each revision the merge writes is named after the version's revision it merged (a hash of it),
-so "holds merged" is a lookup by revision identity. A version merged once, by this device or
-another, merges as nothing the next time; two devices merging one version at once write the
-same names, and the merge of their two results finds everything held. Any device merges any
-version at once; nothing waits for the device that wrote it. A version of another section, or
-one that cannot be read, is kept beside the file as `Name (Device).one` instead.
+Merged page revisions and conflict page identities are named after the incoming version's
+revision (a hash of it), so "holds merged" is a lookup by revision identity. A version merged
+once, by this device or another, merges as nothing the next time. Two devices merging the same
+version onto the same current page state name corresponding outcomes alike. This deduplicates
+retries; it does not make integrations from opposite primary bases order-independent or
+produce byte-identical files. Any device merges any version at once; nothing waits for the
+device that wrote it. A version of another section, or one that cannot be read, is kept beside
+the file as `Name (Device).one` instead.
 
 On a cloud drive every read and write of a section file runs under `NSFileCoordinator`, so the
 iCloud daemon never swaps a file between the stamp check and the append. A file iCloud evicted