refactor(narrative): fix comment typo, rename a variable to be more meaningful

Author: evansiroky

lib/components/narrative/line-itin/place-row.js

@@ -167,10 +167,10 @@ class RentedVehicleLeg extends PureComponent {
       )
     }
 
-    let pickUpString = 'Pick up'
+    let rentalDescription = 'Pick up'
     if (leg.rentedBike) {
       // TODO: Special case for TriMet may need to be refactored.
-      pickUpString += ` shared bike`
+      rentalDescription += ` shared bike`
     } else {
       // Add company and vehicle labels.
       let vehicleName = ''
@@ -182,32 +182,32 @@ class RentedVehicleLeg extends PureComponent {
           : 'car'
 
       // The networks attribute of the from data will only appear at the very
-      // beggining of the rental. It is possible that there will be some forced
+      // beginning of the rental. It is possible that there will be some forced
       // walking that occurs in the middle of the rental, so once the main mode
       // resumes there won't be any network info. In that case we simply return
       // that the rental is continuing.
       if (leg.from.networks) {
         const companies = leg.from.networks.map(n => getCompanyForNetwork(n, configCompanies))
         const companyLabel = companies.map(co => co.label).join('/')
-        pickUpString += ` ${companyLabel}`
+        rentalDescription += ` ${companyLabel}`
         // Only show vehicle name for car rentals. For bikes and eScooters, these
         // IDs/names tend to be less relevant (or entirely useless) in this context.
         if (leg.rentedCar && leg.from.name) {
           vehicleName = leg.from.name
         }
         modeString = getModeForPlace(leg.from)
       } else {
-        pickUpString = 'Continue using rental'
+        rentalDescription = 'Continue using rental'
       }
 
-      pickUpString += ` ${modeString}${vehicleName}`
+      rentalDescription += ` ${modeString}${vehicleName}`
     }
     // e.g., Pick up REACHNOW rented car XYZNDB OR
     //       Pick up SPIN eScooter
     //       Pick up shared bike
     return (
       <div className='place-subheader'>
-        {pickUpString}
+        {rentalDescription}
       </div>
     )
   }