diff --git a/main.py b/main.py
index ca79217..2ebfe33 100644
--- a/main.py
+++ b/main.py
@@ -13,6 +13,7 @@ import httpx
 
 logger = logging.getLogger("uvicorn.error")
 
+# Constants
 EASTERN_TZ = zoneinfo.ZoneInfo("America/New_York")
 CACHE_TTL_SECONDS = 900  # 15 minutes
 CACHE_MAX_SIZE = 100
@@ -112,8 +113,10 @@ class FinalReport(TypedDict):
     today: DailyData
     tomorrow: DailyData
 
+# Initialize FastAPI app
 app = FastAPI(title="TRMNL Weather & Pollen Report")
 
+# Cache instances
 weather_cache: TTLCache = TTLCache(maxsize=CACHE_MAX_SIZE, ttl=CACHE_TTL_SECONDS)
 pollen_cache: TTLCache = TTLCache(maxsize=CACHE_MAX_SIZE, ttl=CACHE_TTL_SECONDS)
 
@@ -409,6 +412,7 @@ class DataAggregator:
                 p["period"]: p for p in weather_data[0]["periods"]
             }
 
+        # Add current weather data as a separate structure
         current_weather_info = CurrentWeatherData({
             "temp": 0,
             "feels_like": 0,
@@ -460,6 +464,7 @@ async def get_weather_pollen_report(token: str) -> FinalReport:
     today_date = DateTimeFormatter.format_date(now)
     tomorrow_date = DateTimeFormatter.format_date(now + timedelta(days=1))
 
+    # Build response
     result: FinalReport = FinalReport({
         "fetched_at": DateTimeFormatter.format_datetime(now),
         "current": current_weather_info,