Update comments

lib/Onyx.js

@@ -1606,13 +1606,14 @@ function update(data) {
                 updateQueue,
                 (acc, operations, key) => {
                     // If the first operation is a set, we want to use that as the existing value.
-                    // Only the first operation can be a `set`, since when enqueuing the operations, we clear the whole queue each time a set is enqueued.
+                    // Only the first operation can be a `set`, since when enqueuing the operations, we clear the whole queue each time a `set` is enqueued.
                     const existingValue = operations[0].onyxMethod === METHOD.SET ? operations[0].value : existingSnapshot[key];
 
-                    // Remove the first operation if it was a set, since we already used it to get the existing value.
+                    // Remove the first operation if it was a `set`, since we already used it to get the existing value.
                     const mergeOperations = _.filter(operations, ({onyxMethod}) => onyxMethod === METHOD.MERGE);
 
-                    // If there are no merge operations, it means only a single set operation was enqueued, and we should use the existing value.
+                    // If there are no merge operations, it means only a single `set` operation was enqueued.
+                    // In this case, we should use the existing value.
                     // Otherwise, apply the merge operations to the existing value.
                     const updatedValue = _.isEmpty(mergeOperations)
                         ? existingValue
@@ -1622,7 +1623,7 @@ function update(data) {
                               true,
                           );
 
-                    // If the batched changes equal null, we want to remove the key from storage to reduce the storage size
+                    // If the batched changes equal `null`, we want to remove the key from storage to reduce the storage size.
                     const {wasRemoved} = removeNullValues(key, updatedValue);
                     const hasChanged = cache.hasValueChanged(key, updatedValue);
                     updatesToBroadcast.push(broadcastUpdate(key, updatedValue, 'update', hasChanged, wasRemoved));