Index: llvm/trunk/docs/CommandGuide/llvm-nm.rst
===================================================================
--- llvm/trunk/docs/CommandGuide/llvm-nm.rst
+++ llvm/trunk/docs/CommandGuide/llvm-nm.rst
@@ -121,7 +121,7 @@
 
 .. option:: --print-size, -S
 
- Show symbol size instead of address.
+ Show symbol size as well as address (not applicable for Mach-O).
 
 .. option:: --size-sort
 
Index: llvm/trunk/tools/llvm-nm/llvm-nm.cpp
===================================================================
--- llvm/trunk/tools/llvm-nm/llvm-nm.cpp
+++ llvm/trunk/tools/llvm-nm/llvm-nm.cpp
@@ -147,7 +147,7 @@
                        cl::aliasopt(ReverseSort), cl::Grouping);
 
 cl::opt<bool> PrintSize("print-size",
-                        cl::desc("Show symbol size instead of address"),
+                        cl::desc("Show symbol size as well as address"),
                         cl::cat(NMCat));
 cl::alias PrintSizeS("S", cl::desc("Alias for --print-size"),
                      cl::aliasopt(PrintSize), cl::Grouping);