doc: update readme

README.md

@@ -9,6 +9,7 @@ This module allows to use a [Nitrokey NetHSM](https://www.nitrokey.com/products/
 
 See the [list of supported features](./features.md) for more details.
 
+Minimum supported rust version (MSRV): 1.70
 ## Download
 
 Download the latest binary from the [release page](https://github.com/Nitrokey/nethsm-pkcs11/releases).
@@ -25,7 +26,7 @@ Follow the [documentation](https://docs.nitrokey.com/nethsm/pkcs11-setup.html) f
 cargo build --release
 ```
 
-The dynamic library will be in `target/release/libnethsm_pkcs11.so`.
+The dynamic library will be in `${CARGO_TARGET_DIR:-target}/release/libnethsm_pkcs11.so`.
 
 ### Alpine Linux
 
@@ -41,13 +42,6 @@ To build on Alpine Linux you will need to add the C argument `target-feature=-cr
 RUSTFLAGS="-C target-feature=-crt-static" cargo build --release
 ```
 
-
-## Test Function (dev)
-
-```
-cargo build && RUST_LOG=trace P11NETHSM_CONFIG_FILE=./p11nethsm.conf NETHSM_PASS=TEST pkcs11-tool --module target/debug/libnethsm_pkcs11.so -I 
-```
-
 ## Debug Options
 
 Set the `RUST_LOG` env variable to `trace`, `debug`, `info`, `warn` or `err` to change the logging level.