metrics rename

```
Next reprovide at:
Next prefix:
```
updated to:
```
Next region prefix:
Next region reprovide:
```

Author: guillaumemichel

core/commands/provide.go

@@ -370,16 +370,16 @@ NOTES:
 				formatLine(0, "%sRegions scheduled: %s", indent, humanNumberOrNA(s.Sweep.Schedule.Regions))
 				if !brief {
 					formatLine(0, "%sAvg prefix length: %s", indent, humanFloatOrNA(s.Sweep.Schedule.AvgPrefixLength))
-					nextReprovideAt := s.Sweep.Schedule.NextReprovideAt.Format("15:04:05")
-					if s.Sweep.Schedule.NextReprovideAt.IsZero() {
-						nextReprovideAt = "N/A"
-					}
-					formatLine(0, "%sNext reprovide at: %s", indent, nextReprovideAt)
 					nextPrefix := key.BitString(s.Sweep.Schedule.NextReprovidePrefix)
 					if nextPrefix == "" {
 						nextPrefix = "N/A"
 					}
-					formatLine(0, "%sNext prefix: %s", indent, nextPrefix)
+					formatLine(0, "%sNext region prefix: %s", indent, nextPrefix)
+					nextReprovideAt := s.Sweep.Schedule.NextReprovideAt.Format("15:04:05")
+					if s.Sweep.Schedule.NextReprovideAt.IsZero() {
+						nextReprovideAt = "N/A"
+					}
+					formatLine(0, "%sNext region reprovide: %s", indent, nextReprovideAt)
 				}
 				addBlankLine(0)
 			}

docs/provide-stats.md

@@ -48,13 +48,13 @@ keyspace region is identified by a binary prefix, and this shows the average
 prefix length across all regions in the schedule. Longer prefixes indicate more
 DHT servers in the swarm.
 
-### Next reprovide at
+### Next region prefix
 
-When the next region is scheduled to be reprovided.
+Keyspace prefix of the next region to be reprovided.
 
-### Next prefix
+### Next region reprovide
 
-Keyspace prefix of the next region to be reprovided.
+When the next region is scheduled to be reprovided.
 
 ## Timings
 

test/cli/provide_stats_test.go

@@ -287,7 +287,7 @@ func TestProvideStatFlags(t *testing.T) {
 			},
 			{
 				flag:     "--schedule",
-				contains: []string{"CIDs scheduled:", "Regions scheduled:", "Avg prefix length:", "Next reprovide at:", "Next prefix:"},
+				contains: []string{"CIDs scheduled:", "Regions scheduled:", "Avg prefix length:", "Next region prefix:", "Next region reprovide:"},
 			},
 			{
 				flag:     "--timings",