diff --git a/assets/js/config.js b/assets/js/config.js
index aeb57f5..8dbca6d 100644
--- a/assets/js/config.js
+++ b/assets/js/config.js
@@ -200,13 +200,13 @@ export const COL_DESCRIPTIONS = {
   sun:       { title: 'Sun Elevation',    desc: 'The angle of the sun above the horizon in degrees. Below 0° the sun has set. The higher the elevation, the more intense the solar radiation reaching the ground.' },
   direct:    { title: 'Direct Radiation', desc: 'Shortwave solar radiation arriving in a direct beam from the sun (W/m²). The primary driver of skin heating on sunny days.' },
   diffuse:   { title: 'Diffuse Radiation', desc: 'Scattered solar radiation arriving from all directions across the sky (W/m²). Present even under cloud; contributes to overall solar load.' },
-  tmrt:      { title: 'Mean Radiant Temp', desc: 'The temperature a person\'s skin "sees" from all surrounding surfaces and the sun combined. Can exceed air temperature by 20–30 °C on a sunny day — this is why shade feels so much cooler.' },
+  tmrt:      { title: 'Mean Radiant Temp', desc: 'The combined heat from direct sun, scattered sky light, and ground reflection expressed as a temperature. Typically well above air temperature even on overcast days, and is one of the inputs used to calculate UTCI.' },
   delta:     { title: 'UTCI − Air Delta', desc: 'The difference between the UTCI felt temperature and the plain air temperature. A large positive value means solar radiation is adding significant heat stress beyond what the thermometer shows.' },
   utci:      { title: 'UTCI',             desc: 'Universal Thermal Climate Index — the raw felt temperature combining air temp, humidity, wind, and solar radiation. Does not include precipitation effects.' },
   uvA:       { title: 'UV-A Index',       desc: 'Estimated UV-A radiation index. UV-A penetrates deeper into the skin and contributes to long-term ageing and some skin cancers, even through glass.' },
   uvB:       { title: 'UV-B Index',       desc: 'Estimated UV-B radiation index. UV-B causes sunburn and is the main driver of vitamin D production. Intensity depends strongly on solar elevation and cloud cover.' },
   burn:      { title: 'Burn Time',        desc: 'Estimated time to reach one Minimal Erythemal Dose (MED) — the threshold for sunburn — based on the UV index and your selected skin type. This is a guide, not a medical measurement.' },
-  utciP:     { title: 'SunSoak',           desc: 'SunScope\'s signature felt-temperature index. Starts from UTCI - the biometeorological standard combining air temp, humidity, wind and solar radiation - then layers in three extra dimensions: a rain and snow penalty (wet clothing can drop felt temp by up to 8 °C), an environment modifier that adjusts solar load for where you actually are (forest canopy, alpine altitude, lakeside reflection, shaded riverbank, desert ground heat), and the full radiant heat from your surroundings. One number that honestly answers: what will my body actually feel out there?' },
+  utciP:     { title: 'SunSoak',           desc: 'SunScope\'s felt-temperature index. Based on UTCI — the standard combining air temp, humidity, wind, and solar radiation — with added adjustments for rain/snow and your chosen surroundings.' },
   precip:    { title: 'Precipitation',    desc: 'Expected rainfall or snowfall in mm per hour. Snow is shown in cm. Even light drizzle meaningfully reduces felt temperature when combined with wind.' },
   precipProb: { title: 'Rain Probability', desc: 'Probability of precipitation for this hour as a percentage (0-100%). Derived from Open-Meteo ensemble model runs. A high value means rain is likely even if the expected rate is low - useful for spotting showers that the deterministic forecast may miss.' },
   soilT:     { title: 'Soil Temperature', desc: 'Temperature of the soil at the surface (0 cm depth). Useful for planting decisions — most seeds germinate above 7–10 °C.' },