[v11.3.x] Update configure-tempo-data-source.md (#98267)

Update configure-tempo-data-source.md (#98228)

(cherry picked from commit 848f03928c)

Co-authored-by: Kim Nylander <104772500+knylander-grafana@users.noreply.github.com>

docs/sources/datasources/tempo/configure-tempo-data-source.md

@@ -387,8 +387,8 @@ datasources:
         query: 'method="$${__span.tags.method}"'
       tracesToMetrics:
         datasourceUid: 'prom'
-        spanStartTimeShift: '1h'
-        spanEndTimeShift: '-1h'
+        spanStartTimeShift: '-1h'
+        spanEndTimeShift: '1h'
         tags: [{ key: 'service.name', value: 'service' }, { key: 'job' }]
         queries:
           - name: 'Sample query'
@@ -407,8 +407,8 @@ datasources:
         hide: false
       traceQuery:
         timeShiftEnabled: true
-        spanStartTimeShift: '1h'
-        spanEndTimeShift: '-1h'
+        spanStartTimeShift: '-1h'
+        spanEndTimeShift: '1h'
       spanBar:
         type: 'Tag'
         tag: 'http.path'