@@ -65,8 +65,8 @@ typedef struct ReorderBufferChange
6565 enum ReorderBufferChangeType action ;
6666
6767 /*
68- * Context data for the change, which part of the union is valid depends
69- * on action/action_internal .
68+ * Context data for the change. Which part of the union is valid depends
69+ * on action.
7070 */
7171 union
7272 {
@@ -228,7 +228,7 @@ typedef struct ReorderBufferTXN
228228 /* ---
229229 * Position in one of three lists:
230230 * * list of subtransactions if we are *known* to be subxact
231- * * list of toplevel xacts (can be a as-yet unknown subxact)
231+ * * list of toplevel xacts (can be an as-yet unknown subxact)
232232 * * list of preallocated ReorderBufferTXNs
233233 * ---
234234 */
@@ -266,7 +266,7 @@ struct ReorderBuffer
266266
267267 /*
268268 * Transactions that could be a toplevel xact, ordered by LSN of the first
269- * record bearing that xid..
269+ * record bearing that xid.
270270 */
271271 dlist_head toplevel_by_lsn ;
272272
@@ -278,7 +278,7 @@ struct ReorderBuffer
278278 ReorderBufferTXN * by_txn_last_txn ;
279279
280280 /*
281- * Callacks to be called when a transactions commits.
281+ * Callbacks to be called when a transactions commits.
282282 */
283283 ReorderBufferBeginCB begin ;
284284 ReorderBufferApplyChangeCB apply_change ;
@@ -301,7 +301,7 @@ struct ReorderBuffer
301301 * overhead we cache some unused ones here.
302302 *
303303 * The maximum number of cached entries is controlled by const variables
304- * ontop of reorderbuffer.c
304+ * on top of reorderbuffer.c
305305 */
306306
307307 /* cached ReorderBufferTXNs */
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