diff --git a/docs.json b/docs.json
index 064569105..baea3b86e 100644
--- a/docs.json
+++ b/docs.json
@@ -145,6 +145,12 @@
           "ecosystem/sdks",
           "ecosystem/analytics",
           "ecosystem/status",
+          {
+            "group": "DEX: decentralized exchange",
+            "pages": [
+              "ecosystem/dex/overview"
+            ]
+          },
           {
             "group": "Oracles",
             "pages": [
@@ -214,7 +220,12 @@
               }
             ]
           },
-          "ecosystem/ai"
+          {
+            "group": "Staking",
+            "pages": [
+              "ecosystem/staking/overview"
+            ]
+          }
         ]
       },
       {
@@ -314,9 +325,7 @@
               "standard/tokens/airdrop"
             ]
           },
-          "standard/dex",
-          "standard/vesting",
-          "standard/governance"
+          "standard/vesting"
         ]
       },
       {
@@ -495,6 +504,7 @@
           "foundations/precompiled",
           "foundations/network",
           "foundations/blocks",
+          "foundations/system",
           {
             "group": "Whitepapers",
             "expanded": true,
diff --git a/standard/dex.mdx b/ecosystem/dex/overview.mdx
similarity index 66%
rename from standard/dex.mdx
rename to ecosystem/dex/overview.mdx
index 1374ed440..87c962e2c 100644
--- a/standard/dex.mdx
+++ b/ecosystem/dex/overview.mdx
@@ -1,5 +1,5 @@
 ---
-title: "DEX: decentralized exchange"
+title: "Overview"
 ---
 
 import { Stub } from '/snippets/stub.jsx';
diff --git a/ecosystem/ai.mdx b/ecosystem/staking/overview.mdx
similarity index 50%
rename from ecosystem/ai.mdx
rename to ecosystem/staking/overview.mdx
index b0b217240..e1ccf7226 100644
--- a/ecosystem/ai.mdx
+++ b/ecosystem/staking/overview.mdx
@@ -1,7 +1,9 @@
 ---
-title: "AI, llms.txt and MCP"
+title: "Overview"
 ---
 
 import { Stub } from '/snippets/stub.jsx';
 
-<Stub issue="150" />
+<Stub
+  issue="1000"
+/>
diff --git a/standard/governance.mdx b/foundations/system.mdx
similarity index 74%
rename from standard/governance.mdx
rename to foundations/system.mdx
index 2080966ac..bb5d3aef6 100644
--- a/standard/governance.mdx
+++ b/foundations/system.mdx
@@ -1,5 +1,5 @@
 ---
-title: "Governance"
+title: "System contracts"
 ---
 
 import { Stub } from '/snippets/stub.jsx';