diff --git a/app/sdk/README.md b/app/sdk/README.md
index e9c7c13d..a8b730ab 100644
--- a/app/sdk/README.md
+++ b/app/sdk/README.md
@@ -9,7 +9,7 @@ The API is provided through a set of typescript interfaces. Each interface group
The SDK must first be allocated
-```DatabacgClientSDK(crypto: Crypto | null, log?: Logging)```
+```DatabacgClientSDK(crypto?: Crypto, log?: Logging)```
@@ -25,7 +25,7 @@ Browser apps typically use the WebStore interface where minimal session data is
- Account communcation is provided through the Session interface
+ User communcation is provided through the Session interface
login provides a Session through an account login