diff --git a/docs/TableGenFundamentals.html b/docs/TableGenFundamentals.html
index 08838caf464..bd427116a16 100644
--- a/docs/TableGenFundamentals.html
+++ b/docs/TableGenFundamentals.html
@@ -395,6 +395,13 @@ supported include:
a dag value. The first element is required to be a record definition, the
remaining elements in the list may be arbitrary other values, including nested
`dag' values.
+(implicit a)
+ an implicitly defined physical register. This tells the dag instruction
+ selection emitter the input pattern's extra definitions matches implicit
+ physical register definitions.
+(parallel (a), (b))
+ a list of dags specifying parallel operations which map to the same
+ instruction.
!strconcat(a, b)
A string value that is the result of concatenating the 'a' and 'b'
strings.