Fix typo in a documentation comment.

FossilOrigin-Name: 462adc7d6b14de3862c2a3e57dba7efaf2ba9c104e1c127a5801a7b892059872

manifest.uuid

@@ -1 +1 @@
-3e2643619d122616663688533977d6c60d45a269b4e2bdc330fd3ee5d39f2e03
+462adc7d6b14de3862c2a3e57dba7efaf2ba9c104e1c127a5801a7b892059872

src/sqlite.h.in

@@ -9244,7 +9244,7 @@ int sqlite3_vtab_on_conflict(sqlite3 *);
 ** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE
 **
 ** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn]
-** method of a [virtual table], then it might returns true if the
+** method of a [virtual table], then it might return true if the
 ** column is being fetched as part of an UPDATE operation during which the
 ** column value will not change.  The virtual table implementation can use
 ** this hint as permission to substitute a return value that is less