diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index f1ce746..24951a6 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -210,7 +210,7 @@
 void mbedtls_pk_init( mbedtls_pk_context *ctx );
 
 /**
- * \brief           Free a mbedtls_pk_context
+ * \brief           Free the components of a #mbedtls_pk_context.
  *
  * \param ctx       The context to clear. It must have been initialized.
  *                  If this is \c NULL, this function does nothing.
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 7809907..5bce958 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -231,11 +231,12 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
 #define USAGE_PSK_RAW                                               \
-    "    psk=%%s              default: \"\" (in hex, without 0x)\n" \
-    "    psk_identity=%%s     default: \"Client_identity\"\n"       \
+    "    psk=%%s              default: \"\" (in hex, without 0x)\n"     \
     "    psk_list=%%s         default: \"\"\n"                          \
-    "                          A list of (PSK identity, PSK value) pairs in (hex format, without 0x)\n" \
-    "                          id1,psk1[,id2,psk2[,...]]\n"
+    "                          A list of (PSK identity, PSK value) pairs.\n" \
+    "                          The PSK values are in hex, without 0x.\n" \
+    "                          id1,psk1[,id2,psk2[,...]]\n"             \
+    "    psk_identity=%%s     default: \"Client_identity\"\n"
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #define USAGE_PSK_SLOT                          \
     "    psk_opaque=%%d       default: 0 (don't use opaque static PSK)\n"     \