Fix documentation errors (GoogleCloudPlatform#208)

Author: psx95

exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/InternalTraceExporter.java

@@ -42,9 +42,8 @@
 import java.util.Map;
 
 /**
- * This class encapsulates internal implementation details for exporting spans for applications
- * running on Google cloud environment. This class should not be exposed to the end user for direct
- * usage.
+ * This class encapsulates internal implementation details for exporting spans to Google Cloud
+ * Platform. This class should not be exposed to the end user for direct usage.
  */
 class InternalTraceExporter implements SpanExporter {
 

exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/TraceConfiguration.java

@@ -65,10 +65,10 @@ public abstract class TraceConfiguration {
    * Package private method to get a {@link Supplier} for the project ID. The value supplied depends
    * on the user-provided value via {@link TraceConfiguration.Builder#setProjectId(String)}. If user
    * does not provide a project ID via {@link TraceConfiguration.Builder#setProjectId(String)}, this
-   * supplier returns a {@link Supplier} that supplies the default Project ID.
+   * method returns a {@link Supplier} that supplies the default Project ID.
    *
    * @see ServiceOptions#getDefaultProjectId()
-   * @return a {@link Supplier} for the project ID to be used.
+   * @return a {@link Supplier} for the GCP project ID to be used.
    */
   abstract Supplier<String> getProjectIdSupplier();
 

exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/TraceExporter.java

@@ -76,7 +76,7 @@ public static SpanExporter createWithDefaultConfiguration() {
    * generate the actual {@link TraceExporter}.
    *
    * @param configuration The {@link TraceConfiguration} object that determines the user preferences
-   *     for Trace.
+   *     for trace.
    * @return An instance of {@link TraceExporter} as a {@link SpanExporter} object
    */
   public static SpanExporter createWithConfiguration(TraceConfiguration configuration) {