diff --git a/sdk/index.md b/sdk/index.md
index 9c2f08d..43b1020 100644
--- a/sdk/index.md
+++ b/sdk/index.md
@@ -11,8 +11,6 @@ It covers two savings primitives:
 - **Target Savings**: the user saves toward a target by a deadline, with scheduled deposits that the contract collects and deposits the user makes by hand.
 - **Spend & Save**: each time the user spends, a share of the spend is saved, either to a Spend & Save balance or into a Target Savings goal. The balance can be withdrawn on one day each month.
 
-The SDK has its own contracts, separate from the Loktin app's for now.
-
 ## Status
 
 This is `1.0.0`, the first stable release, so the API changes only in a new major version. It works on Stellar testnet only.
diff --git a/sdk/security.md b/sdk/security.md
index 013a2d5..aad98f9 100644
--- a/sdk/security.md
+++ b/sdk/security.md
@@ -2,7 +2,7 @@
 description: "Roles, pause, upgrades, fees and audit status of the Loktin SDK's contracts."
 ---
 
-# Security and trust
+# Security
 
 This page says who can do what on the Loktin contracts, and what no one can do.
 
@@ -71,7 +71,7 @@ Every fee and penalty calculation rounds any fraction down, in the user's favour
 
 ## There is no yield
 
-There is no yield. Savings are held as they are deposited. The contracts' yield slot is switched off, and the constructor refuses any yield source.
+There is no yield. Savings are held as they are deposited. The contracts' yield slot is switched off, and at present, the constructor refuses any yield source.
 
 ## Libraries and audit status
 
@@ -79,4 +79,4 @@ The contracts use OpenZeppelin stellar-contracts 0.8.0, which has been audited.
 
 ## Testnet only
 
-The contracts have no mainnet deployment, and the SDK refuses the public network.
+The contracts have no mainnet deployment, and the SDK only runs on the testnet.