diff --git a/2/README.md b/2/README.md
index 918ad85..c9a256a 100644
--- a/2/README.md
+++ b/2/README.md
@@ -105,6 +105,11 @@ When stable specifications are replaced by newer draft specifications, they beco
When deprecated specifications are no longer used in products, they become **retired** specifications. Retired specifications are part of the historical record. They should not be changed except to indicate their replacements, if any. Retired specifications have no contractual weight.
+### Deleted Specifications
+
+Deleted specifications are those that have not reached maturity (stable) and were discarded. They should not be used and are only kept for their historical
+value. Only Raw and Draft specifications can be deleted.
+
## Editorial control
@@ -153,6 +158,7 @@ It is RECOMMENDED to use color coding to indicate specification's status. Color
* ![stable](http://rfc.unprotocols.org/spec:2/COSS/stable.svg)
* ![deprecated](http://rfc.unprotocols.org/spec:2/COSS/deprecated.svg)
* ![retired](http://rfc.unprotocols.org/spec:2/COSS/retired.svg)
+* ![retired](http://rfc.unprotocols.org/spec:2/COSS/deleted.svg)
## Appendix B. Metainformation
diff --git a/2/deleted.svg b/2/deleted.svg
new file mode 100644
index 0000000..fbbb704
--- /dev/null
+++ b/2/deleted.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/2/lifecycle.png b/2/lifecycle.png
index 8f4bc71..9ee9380 100644
Binary files a/2/lifecycle.png and b/2/lifecycle.png differ
diff --git a/2/lifecycle.uml b/2/lifecycle.uml
index c70f451..bba9f53 100644
--- a/2/lifecycle.uml
+++ b/2/lifecycle.uml
@@ -10,19 +10,30 @@ skinparam activity {
BackgroundColor<< Begin >> Olive
BorderColor Peru
}
-"Create" -right-> "RAW
- Use: mockups
- Goal: design it"
--right-> "DRAFT
- Use: prototypes
- Goal: prove it"
--down-> "STABLE
- Use: products
- Goal: deploy it"
--left-> "DEPRECATED
- Use: products
- Goal: replace it"
--left-> "RETIRED
- Use: historical
- Goal: study it"
+|Raw|
+:Create;
+:Use: mockups, Goal: design it;
+if (useful) then (yes)
+|Draft|
+:Use: prototypes, Goal: prove it;
+:Iterate;
+if (successful) then (yes)
+|Stable|
+:Use: products, Goal: deploy it;
+:Cosmetic improvements;
+|Deprecated|
+:Use: products, Goal: replace it;
+|Retired|
+:Use: historical, Goal: study it;
+detach
+else (no)
+|Deleted|
+:Archive;
+detach
+endif
+else (no)
+|Deleted|
+:Archive;
+detach
+endif
@enduml