Punctuation improvement in postgresql.conf.sample

Author: petere

src/backend/utils/misc/postgresql.conf.sample

@@ -158,8 +158,8 @@
 					#   mmap
 					# (change requires restart)
 #min_dynamic_shared_memory = 0MB	# (change requires restart)
-#vacuum_buffer_usage_limit = 256kB	# size of vacuum and analyze buffer access strategy ring.
-					# 0 to disable vacuum buffer access strategy
+#vacuum_buffer_usage_limit = 256kB	# size of vacuum and analyze buffer access strategy ring;
+					# 0 to disable vacuum buffer access strategy;
 					# range 128kB to 16GB
 
 # - Disk -