diff --git a/docs/LangRef.html b/docs/LangRef.html
index f5528b86ca9..d0d7f5f5ea1 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -829,6 +829,7 @@ declare i32 @atoi(i8*) nounwind readonly
sret
This indicates that the pointer parameter specifies the address of a
structure that is the return value of the function in the source program.
+ Loads and stores to the structure are assumed not to trap.
May only be applied to the first parameter.
noalias
@@ -842,10 +843,11 @@ declare i32 @atoi(i8*) nounwind readonly
an unreachable instruction immediately followed the call.
nounwind
- This function attribute indicates that the function type does not use
- the unwind instruction and does not allow stack unwinding to propagate
- through it.
-
+ This function attribute indicates that no exceptions unwind out of the
+ function. Usually this is because the function makes no use of exceptions,
+ but it may also be that the function catches any exceptions thrown when
+ executing it.
+
nest
This indicates that the parameter can be excised using the
trampoline intrinsics.