diff --git a/src/app/components/StandardSlot.jsx b/src/app/components/StandardSlot.jsx
index eabaa353..76915c98 100644
--- a/src/app/components/StandardSlot.jsx
+++ b/src/app/components/StandardSlot.jsx
@@ -100,6 +100,7 @@ export default class StandardSlot extends TranslatedComponent {
                 { m.getMinMass() ? <div className='l'>{translate('minimum mass')}: {formats.int(m.getMinMass())}{units.T}</div> : null }
                 { m.getOptMass() ? <div className='l'>{translate('optimal mass')}: {formats.int(m.getOptMass())}{units.T}</div> : null }
                 { m.getMaxMass() ? <div className='l'>{translate('max mass')}: {formats.int(m.getMaxMass())}{units.T}</div> : null }
+                { m.getOptMul() ? <div className='l'>{translate('optimal multiplier')}: {formats.rPct(m.getOptMul())}</div> : null }
                 { m.getRange() ? <div className='l'>{translate('range', m.grp)}: {formats.f2(m.getRange())}{units.km}</div> : null }
                 { m.time ? <div className='l'>{translate('time')}: {formats.time(m.time)}</div> : null }
                 { m.getThermalEfficiency() ? <div className='l'>{translate('efficiency')}: {formats.f2(m.getThermalEfficiency())}</div> : null }
diff --git a/src/app/utils/BlueprintFunctions.js b/src/app/utils/BlueprintFunctions.js
index ef2dde0b..4175aee6 100644
--- a/src/app/utils/BlueprintFunctions.js
+++ b/src/app/utils/BlueprintFunctions.js
@@ -36,7 +36,7 @@ export function blueprintTooltip(translate, blueprint, engineers, m) {
           current = Math.round(current / 10) / 10;
         } else if (featureDef.type === 'numeric') {
           current /= 100;
-	}
+        }
         const currentIsBeneficial  = isValueBeneficial(feature, current);
         effects.push(
           <tr key={feature}>
@@ -74,7 +74,7 @@ export function blueprintTooltip(translate, blueprint, engineers, m) {
           current = Math.round(current / 10) / 10;
         } else if (featureDef.type === 'numeric') {
           current /= 100;
-	}
+        }
         const currentIsBeneficial  = isValueBeneficial(feature, current);
         effects.push(
           <tr key={feature}>