Address review feedback

Author: pugnascotia

libs/cli/src/main/java/org/elasticsearch/cli/Terminal.java

@@ -152,6 +152,7 @@ public final boolean promptYesNo(String prompt, boolean defaultYes) {
     }
 
     public void flush() {
+        this.getWriter().flush();
         this.getErrorWriter().flush();
     }
 

server/src/main/java/org/elasticsearch/bootstrap/Elasticsearch.java

@@ -93,7 +93,7 @@ public void checkPermission(Permission perm) {
         if (status != ExitCodes.OK) {
             final String basePath = System.getProperty("es.logs.base_path");
             // It's possible to fail before logging has been configured, in which case there's no point
-            // suggested that the user look in the log file.
+            // suggesting that the user look in the log file.
             if (basePath != null) {
                 Terminal.DEFAULT.errorPrintln(
                     "ERROR: Elasticsearch did not exit normally - check the logs at "