More wording fixes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49093 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/scan-build b/utils/scan-build
index b3cb932..9063580 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -187,9 +187,9 @@
   --help
   
   -k            - Add a "keep on going" option to the specified build command.
-  --keep-going    This command currently supports make and xcodebuild.
-                  This is a convenience option; one can specify this behavior
-                  directly as build options.
+  --keep-going    This option currently supports make and xcodebuild.
+                  This is a convenience option; one can specify this
+                  behavior directly using build options.
 
   -v            - Verbose output from $Prog and the analyzer.
                   A second "-v" increases verbosity.