Documentation: fix some nits
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/include/test/psa_crypto_helpers.h b/tests/include/test/psa_crypto_helpers.h
index 723fc32..195f871 100644
--- a/tests/include/test/psa_crypto_helpers.h
+++ b/tests/include/test/psa_crypto_helpers.h
@@ -491,7 +491,7 @@
#endif
/* Helper macro for the PK module to check whether MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE
- * is large enough to contain 4096 bits RSA key pairs. Of course this check is only
+ * is large enough to contain 4096-bit RSA key pairs. Of course this check is only
* necessary if PK relies on PSA (i.e. MBEDTLS_USE_PSA_CRYPTO) to store and manage
* the key. */
#if defined(MBEDTLS_USE_PSA_CRYPTO)