[#2707] Doc updated

src/share/api/config-hash-get.json

@@ -2,7 +2,10 @@
     "access": "read",
     "avail": "2.4.0",
     "brief": [
-        "This command retrieves the hash of the current configuration used by the server. The configuration is essentially the same as the contents of the configuration file, but includes additional changes made by other commands and due to parameters' inheritance."
+        "This command retrieves the hash of the current configuration used by the server. The ",
+        "configuration is essentially the same as the contents of the configuration file, but ",
+        "includes additional changes made by other commands and due to parameters' inheritance.",
+        "Currently it is SHA256, but the algorithm may change in the future."
     ],
     "cmd-comment": [
         "This command takes no parameters."

src/share/api/config-set.json

@@ -19,12 +19,23 @@
     "description": "See <xref linkend=\"command-config-set\"/>",
     "name": "config-set",
     "resp-syntax": [
-        "{ \"result\": 0, \"text\": \"Configuration successful.\" }",
+        "{",
+        "    \"arguments\": {",
+        "        \"hash\": \"8B5F5822E93178B65CE658304C37EA511BDE7D29F792AA5E88012FC741F2BE32\"",
+        "    },",
+        "    \"result\": 0,",
+        "    \"text\": \"Configuration successful.\"",
+        "}",
         "",
         "or",
         "",
         "{ \"result\": 1, \"text\": \"unsupported parameter: BOGUS (<string>:16:26)\" }"
     ],
+    "resp-comment": [
+        "Starting with Kea 2.4.0, the successful response contains an SHA256 digest of the configuration that was ",
+        "just set. It might be used to determine if a configuration has been modified or not, possibly with the ",
+        "use of config-hash-get."
+    ],
     "support": [
         "kea-dhcp4",
         "kea-dhcp6",