diff --git a/README.md b/README.md
index efdf9599c..25d25c222 100644
--- a/README.md
+++ b/README.md
@@ -62,17 +62,21 @@ Components marked `Stable` provide the following guarantees:
 
 - Field types, numbers and names will not change.
 - Service names and service package names will not change.
-- Service method names will not change.
-- Service method parameter names will not change.
-- Service method parameter types and return types will not change.
+- Service method names will not change. [from 1.0.0]
+- Service method parameter names will not change. [from 1.0.0]
+- Service method parameter types and return types will not change. [from 1.0.0] 
 - Service method kind (unary vs streaming) will not change.
-- Names of messages and enums will not change.
-- Names of enum choices and numbers assigned to enum choices will not change.
+- Names of messages and enums will not change. [from 1.0.0]
+- Numbers assigned to enum choices will not change.
+- Names of enum choices will not change. [from 1.0.0]
 - The location of messages and enums, i.e. whether they are declared at the top lexical
-  scope or nested inside another message will not change.
-- Package names and directory structure will not change.
-- `optional` and `repeated` declarators of existing fields will not change.
-- No existing symbol will be deleted.
+  scope or nested inside another message will not change. [from 1.0.0]
+- Package names and directory structure will not change. [from 1.0.0]
+- `optional` and `repeated` declarators of existing fields will not change. [from 1.0.0]
+- No existing symbol will be deleted.  [from 1.0.0]
+
+Note: guarantees marked [from 1.0.0] will go into effect when this repository is tagged
+with version number 1.0.0.
 
 The following additive changes are allowed: