Apply suggestions from code review

Co-authored-by: Jan-Erik Rediger <badboy@archlinux.us>

Author: brizental

glean/src/core/context.ts

@@ -48,9 +48,9 @@ export class Context {
   // Whether or not Glean is in testing mode.
   private _testing = false;
   // A map of metric types and their constructors.
-  // This map is dinamically filled everytime a metric type is constructed.
+  // This map is dynamically filled everytime a metric type is constructed.
   //
-  // If a metric is not on this map it cannot be serialized from the database.
+  // If a metric is not in this map it cannot be deserialized from the database.
   private _supportedMetrics: {
     [type: string]: new (v: unknown) => Metric<JSONValue, JSONValue>
   } = {};

glean/src/core/glean.ts

@@ -458,7 +458,7 @@ namespace Glean {
     uploadEnabled = true,
     config?: ConfigurationInterface
   ): Promise<void> {
-    // Core metrics need tp be re-initialized so that
+    // Core metrics need to be re-initialized so that
     // the supportedMetrics map is re-created.
     coreMetrics = new CoreMetrics();