2 files changed, 8 insertions, 6 deletions
diff --git a/src/main/scala/google/OAuth2.scala b/src/main/scala/google/OAuth2.scala
index d17ec78..ff010ef 100644
--- a/src/main/scala/google/OAuth2.scala
+++ b/src/main/scala/google/OAuth2.scala
@@ -29,7 +29,7 @@ object OAuth2 {
 
   /** Request a new access token for the given scopes.
     *
-    * Implements the OAUTH2 workflow as descried here
+    * Implements the OAUTH2 workflow as descried in
     * https://developers.google.com/identity/protocols/OAuth2ServiceAccount
     */
   def requestAccessToken(
@@ -89,18 +89,18 @@ object OAuth2 {
             http.system.log.info("tracing access token expired, refreshing")
             requestAccessToken(http, serviceAccountFile, scopes).map {
               case (newExpiration, newToken) =>
-                http.system.log.debug("new tracing access token otained")
+                http.system.log.debug("new tracing access token obtained")
                 (request, newExpiration, newToken)
             }
           } else {
             Future.successful((request, expiration, accessToken))
           }
       }
-      .drop(1) // drop initial element
+      .drop(1) // drop initial, empty HttpRequest
       .map {
         case (request, _, accessToken) =>
           request.withHeaders(
-            RawHeader("Authorization", "Bearer " + accessToken)
+            RawHeader("Authorization", s"Bearer $accessToken")
           )
       }
 
diff --git a/src/main/scala/google/api.scala b/src/main/scala/google/api.scala
index 17db031..39fc16d 100644
--- a/src/main/scala/google/api.scala
+++ b/src/main/scala/google/api.scala
@@ -24,9 +24,11 @@ object TraceSpan {
   sealed trait SpanKind
   // Unspecified
   case object Unspecified extends SpanKind
-  // Indicates that the span covers server-side handling of an RPC or other remote network request.
+  // Indicates that the span covers server-side handling of an RPC or other
+  // remote network request.
   case object RpcServer extends SpanKind
-  // Indicates that the span covers the client-side wrapper around an RPC or other remote request.
+  // Indicates that the span covers the client-side wrapper around an RPC or
+  // other remote request.
   case object RpcClient extends SpanKind
 
   object SpanKind {