diff --git a/collections/tfgrid3/intro.md b/collections/tfgrid3/intro.md
index 9a2c76d..7058e23 100644
--- a/collections/tfgrid3/intro.md
+++ b/collections/tfgrid3/intro.md
@@ -21,8 +21,8 @@ Use the [ThreeFold forum](https://forum.threefold.io/c/dao/rfc/81) to discuss th
   - [Values](values/planet_people_first.md)
   - [Ecosystem](tfgrid3/ecosystem.md)
   - [The Internet today](tech/internet_today.md)
-    - [Inefficient Hardware](tech/history/c64.md)
-    - [Too Many Layers](tech/history/layers.md)
+      - [Inefficient Hardware](tech/history/c64.md)
+      - [Too Many Layers](tech/history/layers.md)
 - [Promotion](tfgrid3/promotion.md)
   - [Messaging](tfgrid3/messaging.md)
   - [Chapters](tfgrid3/chapters.md)
@@ -38,26 +38,26 @@ Use the [ThreeFold forum](https://forum.threefold.io/c/dao/rfc/81) to discuss th
   - [Validators](tfgrid3/validators.md)
 - [Technology](tech/technology.md)
   - [TFGrid Core Capabilities](tech/features.md)
-    - [Compute](tech/compute.md)
-      - [Zero-OS](tech/zos.md)
-      - [Infrastructure As Code](tech/smartcontract_iac.md)
-      - [CoreX](tech/corex.md)
-    - [Storage](tech/qsss_home.md)
-      - [Quantum Safe Storage Algo](tech/qss_algorithm.md)
-      - [Zero Knowledge proof](tech/qss_zero_knowledge_proof.md)
-      - [NFT Storage](tech/nft_storage.md)
-      - [S3 Storage](tech/s3_interface)
-      - [File System](tech/qss_filesystem.md)
-    - [Network](tech/networking.md)
-      - [Mycelium](tech/mycelium.md)
-      - [Web Gateway](tech/webgw.md)
+      - [Compute](tech/compute.md)
+          - [Zero-OS](tech/zos.md)
+          - [Infrastructure As Code](tech/smartcontract_iac.md)
+          - [CoreX](tech/corex.md)
+      - [Storage](tech/qsss_home.md)
+          - [Quantum Safe Storage Algo](tech/qss_algorithm.md)
+          - [Zero Knowledge proof](tech/qss_zero_knowledge_proof.md)
+          - [NFT Storage](tech/nft_storage.md)
+          - [S3 Storage](tech/s3_interface)
+          - [File System](tech/qss_filesystem.md)
+      - [Network](tech/networking.md)
+          - [Mycelium](tech/mycelium.md)
+          - [Web Gateway](tech/webgw.md)
   - [Key Innovations](tech/key_innovations_overview.md)
-    - [Mycelium Network](tech/mycelium_innovation.md)
-    - [Zero-OS](tech/zos_innovation.md)
-    - [Quantum Safe Storage](tech/zstor_innovation.md)
-    - [Quantum Safe Filesystem](tech/qsfs_innovation.md)
-    - [FList: better OS Images](tech/flist_innovation.md)
-    - [FungiStor](tech/fungistor_innovation.md)
-    - [Network Wall](tech/network_wall_innovation.md)
+      - [Mycelium Network](tech/mycelium_innovation.md)
+      - [Zero-OS](tech/zos_innovation.md)
+      - [Quantum Safe Storage](tech/zstor_innovation.md)
+      - [Quantum Safe Filesystem](tech/qsfs_innovation.md)
+      - [FList: better OS Images](tech/flist_innovation.md)
+      - [FungiStor](tech/fungistor_innovation.md)
+      - [Network Wall](tech/network_wall_innovation.md)
   - [Architecture](tech/architecture.md)
   - [Energy Efficient](tech/energy_efficient.md)
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