@@ -75,8 +75,8 @@ typedef struct ReorderBufferChange
7575RepOriginId origin_id ;
7676
7777/*
78- * Context data for the change, which part of the union is valid depends
79- * on action/action_internal .
78+ * Context data for the change. Which part of the union is valid depends
79+ * on action.
8080 */
8181union
8282{
@@ -242,7 +242,7 @@ typedef struct ReorderBufferTXN
242242/* ---
243243 * Position in one of three lists:
244244 * * list of subtransactions if we are *known* to be subxact
245- * * list of toplevel xacts (can beam as-yet unknown subxact)
245+ * * list of toplevel xacts (can bean as-yet unknown subxact)
246246 * * list of preallocated ReorderBufferTXNs
247247 * ---
248248 */
@@ -280,7 +280,7 @@ struct ReorderBuffer
280280
281281/*
282282 * Transactions that could be a toplevel xact, ordered by LSN of the first
283- * record bearing that xid..
283+ * record bearing that xid.
284284 */
285285dlist_head toplevel_by_lsn ;
286286
@@ -292,7 +292,7 @@ struct ReorderBuffer
292292ReorderBufferTXN * by_txn_last_txn ;
293293
294294/*
295- *Callacks to be called when a transactions commits.
295+ *Callbacks to be called when a transactions commits.
296296 */
297297ReorderBufferBeginCB begin ;
298298ReorderBufferApplyChangeCB apply_change ;
@@ -315,7 +315,7 @@ struct ReorderBuffer
315315 * overhead we cache some unused ones here.
316316 *
317317 * The maximum number of cached entries is controlled by const variables
318- *ontop of reorderbuffer.c
318+ *on top of reorderbuffer.c
319319 */
320320
321321/* cached ReorderBufferTXNs */