Fix comment typos.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75479 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 553a86d..abe8ca9 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -205,7 +205,7 @@
     /// make the right decision when generating code for different targets.
     const ARMSubtarget *Subtarget;
 
-    /// ARMPCLabelIndex - Keep track the number of ARM PC labels created.
+    /// ARMPCLabelIndex - Keep track of the number of ARM PC labels created.
     ///
     unsigned ARMPCLabelIndex;