diff --git a/doc/interface_stability.mdwn b/doc/interface_stability.mdwn
index 8ad5dfd..8bccf67 100644
--- a/doc/interface_stability.mdwn
+++ b/doc/interface_stability.mdwn
@@ -1,8 +1,8 @@
 Propellor is versioned using the Haskell [Package Version Policy](https://www.haskell.org/haskellwiki/Package_versioning_policy).
 
-This means that propellor 0.10.x contains some changes to its API;
-code written for propellor 0.9.x may need to be changed. Conversely,
-there are no breaking changes between 0.10.1 and 0.10.2.
+This means that propellor 2.10.x contains some changes to its API;
+code written for propellor 2.9.x may need to be changed. Conversely,
+there are no breaking changes between 2.10.1 and 2.10.2.
 
 Whenever possible, breaking changes are made in a way that either changes a
 data type, or a function name, so that code that used the old API version