diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml
index cefd3235a6b..f56eb557b18 100644
--- a/doc/src/sgml/mvcc.sgml
+++ b/doc/src/sgml/mvcc.sgml
@@ -41,12 +41,12 @@
for developers to manage concurrent access to data. Internally,
data consistency is maintained by using a multiversion
model (Multiversion Concurrency Control, MVCC).
- This means that while querying a database each transaction sees
+ This means that each SQL statement sees
a snapshot of data (a database version)
as it was some
time ago, regardless of the current state of the underlying data.
- This protects the transaction from viewing inconsistent data that
- could be caused by (other) concurrent transaction updates on the same
+ This prevents statements from viewing inconsistent data produced
+ by concurrent transactions performing updates on the same
data rows, providing transaction isolation
for each database session. MVCC, by eschewing
the locking methodologies of traditional database systems,