Fix comment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74896 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/index-test/index-test.cpp b/tools/index-test/index-test.cpp
index b30de31..815d0d0 100644
--- a/tools/index-test/index-test.cpp
+++ b/tools/index-test/index-test.cpp
@@ -17,7 +17,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//   -point-at  [file:column:line]
+//   -point-at  [file:line:column]
 //       Point at a declaration/statement/expression. If no other operation is
 //       specified, prints some info about it.
 //