chore: Fixed blueprint

Author: BottlecapDave

_docs/blueprints.md

@@ -10,4 +10,10 @@ The following blueprints can help you configure data sources provided by other i
 
 [Install blueprint](https://my.home-assistant.io/redirect/blueprint_import/?blueprint_url=https%3A%2F%2Fgithub.com%2FBottlecapDave%2FHomeAssistant-OctopusEnergy%2Fblob%2Fmain%2F_docs%2Fblueprints%target_timeframes_carbon_intensity.yaml) | [Source](./blueprints/target_timeframes_carbon_intensity.yaml)
 
-This blueprint will provide the data source for the UK Carbon Intensity as provided by the [Carbon Intensity](https://github.com/BottlecapDave/HomeAssistant-CarbonIntensity) integration.
+This blueprint will provide the data source for the UK Carbon Intensity as provided by the [Carbon Intensity](https://github.com/BottlecapDave/HomeAssistant-CarbonIntensity) integration.
+
+### Octopus Energy
+
+[Install blueprint](https://my.home-assistant.io/redirect/blueprint_import/?blueprint_url=https%3A%2F%2Fgithub.com%2FBottlecapDave%2FHomeAssistant-OctopusEnergy%2Fblob%2Fmain%2F_docs%2Fblueprints%target_timeframes_octopus_energy.yaml) | [Source](./blueprints/target_timeframes_octopus_energy.yaml)
+
+This blueprint will provide the data source for Octopus Energy rates as provided by the [Octopus Energy](https://github.com/BottlecapDave/HomeAssistant-OctopusEnergy) integration.

_docs/blueprints/target_timeframes_octopus_energy.yaml

@@ -68,6 +68,6 @@ action:
     {% set value = rate["value_inc_vat"] | float %}
     {% set data.new_rates = data.new_rates + [{ 'start': start , 'end': end, 'value': value, 'metadata': { "is_capped": rate["is_capped"] } }] %}
     {% endfor %}
-    {{ { 'data': data.new_rates } | to_json }}
+    {{ { 'data': data.new_rates } }}
   target:
     entity_id: !input target_timeframe_data_source_sensor