clean up file header comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8427 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/InductionVariable.cpp b/lib/Analysis/InductionVariable.cpp
index 73e97a4..9a93adf 100644
--- a/lib/Analysis/InductionVariable.cpp
+++ b/lib/Analysis/InductionVariable.cpp
@@ -1,9 +1,9 @@
-//===- llvm/Analysis/InductionVariable.h - Induction variable ----*- C++ -*--=//
+//===- InductionVariable.cpp - Induction variable classification ----------===//
//
-// This interface is used to identify and classify induction variables that
-// exist in the program. Induction variables must contain a PHI node that
-// exists in a loop header. Because of this, they are identified an managed by
-// this PHI node.
+// This file implements identification and classification of induction
+// variables. Induction variables must contain a PHI node that exists in a
+// loop header. Because of this, they are identified an managed by this PHI
+// node.
//
// Induction variables are classified into a type. Knowing that an induction
// variable is of a specific type can constrain the values of the start and