go/zodb: IStorage: Fix thinko in Head guarantee

Julien Muchembled notices that strictly speaking Head could return tid that it receives during its call, not strictly as observed before the call. In other words for which range might be returned it is like below: ...\\\\\\\\\\\↓ ↓////////////... ────────────────────────────────────────── <head call> <sync call> Fixes 151d8b79 (go/zodb: LastTid -> Sync + Head). [1] https://github.com/zopefoundation/ZODB/pull/307#discussion_r436881665

go/zodb: IStorage: Fix thinko in Head guarantee
Julien Muchembled notices that strictly speaking Head could return tid that it receives during its call, not strictly as observed before the call. In other words for which range might be returned it is like below: ...\\\\\\\\\\\↓ ↓////////////... ────────────────────────────────────────── <head call> <sync call> Fixes 151d8b79 (go/zodb: LastTid -> Sync + Head). [1] https://github.com/zopefoundation/ZODB/pull/307#discussion_r436881665
949d42da · Kirill Smelkov · 3d909114 · 949d42da
Commit 949d42da authored Jun 09, 2020 by Kirill Smelkov
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go/zodb/zodb.go go/zodb/zodb.go +1 -1

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--- a/go/zodb/zodb.go
+++ b/go/zodb/zodb.go
@@ -341,7 +341,7 @@ type IStorage interface {
 	// Head returns ID of last committed transaction.
 	//
 	// Returned head is ID of last committed transaction as observed from
-	// some time _before_ Head call was made. In particular for
+	// some time _before_ Head call returns. In particular for
 	// client-sever case, Head can return cached view of storage that was
 	// learned some time ago.
 	//