diff --git a/openpgp-card-sequoia/README.md b/openpgp-card-sequoia/README.md
index af9b26a..c4b1289 100644
--- a/openpgp-card-sequoia/README.md
+++ b/openpgp-card-sequoia/README.md
@@ -3,18 +3,19 @@ SPDX-FileCopyrightText: 2021 Heiko Schaefer <heiko@schaefer.name>
 SPDX-License-Identifier: MIT OR Apache-2.0
 -->
 
-**OpenPGP card for Sequoia PGP**
+**OpenPGP card usage with Sequoia PGP**
 
-This crate is a thin wrapper for the
+This crate is a higher level wrapper for the
 [openpgp-card](https://crates.io/crates/openpgp-card) crate.
+
 It offers convenient access to
 [OpenPGP card](https://en.wikipedia.org/wiki/OpenPGP_card)
-functionality with [Sequoia PGP](https://sequoia-pgp.org/).
+functionality using [Sequoia PGP](https://sequoia-pgp.org/).
 
 **Example code**
 
 The program `main.rs` performs a number of functions on an OpenPGP card.
-To use it, you need to set an environment variable to the serial number of 
+To run it, you need to set an environment variable to the identifier of 
 the OpenPGP card you want to use.
 
 NOTE: data on this card will be deleted in the process of running this 
@@ -25,8 +26,7 @@ $ export TEST_CARD_IDENT="0123:4567ABCD"
 $ cargo run
 ```
 
-You can see a lot more debugging output by increasing the log-level, 
-like this:
+You can see more debugging output by increasing the log-level, like this:
 
 ```
 $ RUST_LOG=trace cargo run