diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h
index c938e887940..ba040e1393b 100644
--- a/include/llvm/Analysis/AliasAnalysis.h
+++ b/include/llvm/Analysis/AliasAnalysis.h
@@ -126,15 +126,15 @@ public:
     // This property corresponds to the GCC 'const' attribute.
     DoesNotAccessMemory,
 
-    // AccessesArguments - This function accesses function arguments in
-    // non-volatile and well known ways, but does not access any other memory.
+    // AccessesArguments - This function accesses function arguments in well
+    // known (possibly volatile) ways, but does not access any other memory.
     //
     // Clients may use the Info parameter of getModRefBehavior to get specific
     // information about how pointer arguments are used.
     AccessesArguments,
 
     // AccessesArgumentsAndGlobals - This function has accesses function
-    // arguments and global variables in non-volatile and well-known ways, but
+    // arguments and global variables well known (possibly volatile) ways, but
     // does not access any other memory.
     //
     // Clients may use the Info parameter of getModRefBehavior to get specific