Spelling fixes e to i.

pkg/analyzer/lib/src/task/driver.dart

Index: pkg/analyzer/lib/src/task/driver.dart
diff --git a/pkg/analyzer/lib/src/task/driver.dart b/pkg/analyzer/lib/src/task/driver.dart
index a9a8beaf4801cb84cb3066e5f3c584e748492b80..c92370d7eacd4750ec5fa745e173d1de4d8be467 100644
--- a/pkg/analyzer/lib/src/task/driver.dart
+++ b/pkg/analyzer/lib/src/task/driver.dart
@@ -229,7 +229,7 @@ class AnalysisDriver {
    */
   bool performAnalysisTask() {
     //
-    // TODO(brianwilkerson) This implementaiton does not allow us to prioritize
+    // TODO(brianwilkerson) This implementation does not allow us to prioritize
     // work across contexts. What we need is a way for an external client to ask
     // to have all priority files analyzed for each context, then ask for normal
     // files to be analyzed. There are a couple of ways to do this.