Fix a bunch of -Wdocumentation warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162446 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 373df4b..394f049 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -166,7 +166,7 @@
   ///
   /// @param Symbol - The common symbol to emit.
   /// @param Size - The size of the common symbol.
-  /// @param Size - The alignment of the common symbol in bytes.
+  /// @param ByteAlignment - The alignment of the common symbol in bytes.
   virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                      unsigned ByteAlignment);