diff --git a/grafana/provisioning/dashboards/my_dashboard.json b/grafana/provisioning/dashboards/my_dashboard.json
index fdc6a0b..5c25fef 100644
--- a/grafana/provisioning/dashboards/my_dashboard.json
+++ b/grafana/provisioning/dashboards/my_dashboard.json
@@ -13,32 +13,39 @@
       "datasource": "Prometheus",
       "targets": [
         {
-          "expr": "myapp_request_duration_seconds_bucket",
-          "legendFormat": "{{handler}}",
+          "expr": "histogram_quantile(0.50, sum(rate(myapp_request_duration_seconds_bucket[5m])) by (le))",
+          "legendFormat": "p50",
           "refId": "A",
           "editorMode": "code",
           "range": true
         },
         {
-          "expr": "myapp_request_duration_seconds_count",
-          "legendFormat": "__auto",
+          "expr": "histogram_quantile(0.90, sum(rate(myapp_request_duration_seconds_bucket[5m])) by (le))",
+          "legendFormat": "p90",
           "refId": "B",
           "editorMode": "code",
           "range": true
         },
         {
-          "expr": "myapp_request_duration_seconds_sum",
-          "legendFormat": "__auto",
+          "expr": "histogram_quantile(0.99, sum(rate(myapp_request_duration_seconds_bucket[5m])) by (le))",
+          "legendFormat": "p99",
           "refId": "C",
-          "editorMode": "builder",
+          "editorMode": "code",
           "range": true
         },
         {
-          "expr": "myapp_requests_total",
-          "legendFormat": "__auto",
+          "expr": "sum(rate(myapp_request_duration_seconds_count[5m]))",
+          "legendFormat": "Total Requests",
           "refId": "D",
           "editorMode": "builder",
           "range": true
+        },
+        {
+          "expr": "sum(myapp_request_duration_seconds_sum)",
+          "legendFormat": "Sum Duration",
+          "refId": "E",
+          "editorMode": "builder",
+          "range": true
         }
       ],
       "fieldConfig": {
@@ -74,21 +81,22 @@
           "showLegend": true,
           "displayMode": "list",
           "placement": "bottom"
-        }
-      },
-      "xaxis": {
-        "mode": "time",
-        "show": true
-      },
-      "yaxes": [
-        {
-          "format": "short",
-          "show": true
         },
-        {
+        "connectNulls": true,
+        "xaxis": {
+          "mode": "time",
           "show": true
-        }
-      ]
+        },
+        "yaxes": [
+          {
+            "format": "short",
+            "show": true
+          },
+          {
+            "show": true
+          }
+        ]
+      }
     }
   ]
-}
\ No newline at end of file
+}