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-rw-r--r--src/include/utils/guc.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h
index e1de1a5d065..0bf9f210678 100644
--- a/src/include/utils/guc.h
+++ b/src/include/utils/guc.h
@@ -219,12 +219,12 @@ typedef enum
#define GUC_UNIT_BLOCKS 0x2000 /* value is in blocks */
#define GUC_UNIT_XBLOCKS 0x3000 /* value is in xlog blocks */
#define GUC_UNIT_XSEGS 0x4000 /* value is in xlog segments */
-#define GUC_UNIT_MEMORY 0xF000 /* mask for KB, BLOCKS, XBLOCKS */
+#define GUC_UNIT_MEMORY 0xF000 /* mask for size-related units */
#define GUC_UNIT_MS 0x10000 /* value is in milliseconds */
#define GUC_UNIT_S 0x20000 /* value is in seconds */
#define GUC_UNIT_MIN 0x30000 /* value is in minutes */
-#define GUC_UNIT_TIME 0xF0000 /* mask for MS, S, MIN */
+#define GUC_UNIT_TIME 0xF0000 /* mask for time-related units */
#define GUC_UNIT (GUC_UNIT_MEMORY | GUC_UNIT_TIME)