diff --git a/docs/LangRef.html b/docs/LangRef.html
index 346f858520b..7d2fe55e81b 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -739,6 +739,10 @@ a power of 2.
sret
This indicates that the parameter specifies the address of a structure
that is the return value of the function in the source program.
+ noreturn
+ This function attribute indicates that the function never returns. This
+ indicates to LLVM that every call to this function should be treated as if
+ 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