diff --git a/mechanism/README.md b/mechanism/README.md
index c2227a3..47534e1 100644
--- a/mechanism/README.md
+++ b/mechanism/README.md
@@ -1,6 +1,6 @@
# Mechanism
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## Bill of Materials
@@ -21,41 +21,41 @@ An hexapod requires 18 of them.
| Filename | Thumbnail | Required |
| -------------- | ------------------------------------------- | -------- |
-| body_top |  | 1 |
-| body_bottom |  | 1 |
-| body_center |  | 1 |
-| body_side_wall |  | 2 |
-| body_back_wall |  | 1 |
+| body_top |  | 1 |
+| body_bottom |  | 1 |
+| body_center |  | 1 |
+| body_side_wall |  | 2 |
+| body_back_wall |  | 1 |
#### Leg x 6
| Filename | Thumbnail | Required |
| ------------ | --------------------------------------- | -------- |
-| thigh_top |  | 1 (x6) |
-| thigh_bottom |  | 1 (x6) |
-| joint_cross |  | 1 (x6) |
-| joint_top |  | 2 (x6) |
-| joint_bottom |  | 2 (x6) |
-| leg_top |  | 1 (x6) |
-| let_bottom |  | 1 (x6) |
-| foot_top |  | 1 (x6) |
-| foot_bottom |  | 1 (x6) |
-| foot_ground |  | 1 (x6) |
-| foot_tip |  | 1 (x6) |
+| thigh_top |  | 1 (x6) |
+| thigh_bottom |  | 1 (x6) |
+| joint_cross |  | 1 (x6) |
+| joint_top |  | 2 (x6) |
+| joint_bottom |  | 2 (x6) |
+| leg_top |  | 1 (x6) |
+| let_bottom |  | 1 (x6) |
+| foot_top |  | 1 (x6) |
+| foot_bottom |  | 1 (x6) |
+| foot_ground |  | 1 (x6) |
+| foot_tip |  | 1 (x6) |
### Others
| Name | Spec | Thumbnail | Required | Note |
| --------- | ------- | ---------------------------- | -------- | ------------------------------------------------- |
-| Screw | M2 6mm |  | 54 | Servo Arm: 1 x 18
Joint: 4 x 6
Thigh: 2 x 6 |
-| Screw | M2 10mm |  | 24 | Thigh: 1 x 6
Pin lock: 1 x 18 |
-| Screw | M2 30mm |  | 36 | Servo: 2 x 18 |
-| Nuts | M2 |  | 36 | Servo: 2 x 18 |
-| Pin (304) | M4 6mm |  | 18 | Servo: 1 x 18 |
+| Screw | M2 6mm |  | 54 | Servo Arm: 1 x 18
Joint: 4 x 6
Thigh: 2 x 6 |
+| Screw | M2 10mm |  | 24 | Thigh: 1 x 6
Pin lock: 1 x 18 |
+| Screw | M2 30mm |  | 36 | Servo: 2 x 18 |
+| Nuts | M2 |  | 36 | Servo: 2 x 18 |
+| Pin (304) | M4 6mm |  | 18 | Servo: 1 x 18 |
### Leg Assemble
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#### Leg Assemble Instruction
@@ -68,46 +68,46 @@ For one leg, you will need 3 MG92B servo and below printed parts
| Filename | Thumbnail | Required |
| ------------ | --------------------------------------- | -------- |
-| thigh_top |  | 1 |
-| thigh_bottom |  | 1 |
-| joint_cross |  | 1 |
-| joint_top |  | 2 |
-| joint_bottom |  | 2 |
-| leg_top |  | 1 |
-| let_bottom |  | 1 |
-| foot_top |  | 1 |
-| foot_bottom |  | 1 |
-| foot_ground |  | 1 |
-| foot_tip |  | 1 |
+| thigh_top |  | 1 |
+| thigh_bottom |  | 1 |
+| joint_cross |  | 1 |
+| joint_top |  | 2 |
+| joint_bottom |  | 2 |
+| leg_top |  | 1 |
+| let_bottom |  | 1 |
+| foot_top |  | 1 |
+| foot_bottom |  | 1 |
+| foot_ground |  | 1 |
+| foot_tip |  | 1 |
##### Step 1
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Combine `thigh_top`, `MG92B` and `thigh_bottom`, use M2x30mm screw and nut to secure them together.
##### Step 2
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Grab one `joint_cross`, `joint_top` and `joint_bottom` and combine them
##### Step 3
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First put 2 x `MG92B`, `leg_top` and `leg_bottom` together with M2x30mm screw and nut.
Then attach `joint_top` and `joint_bottom` altogether
##### Step 4
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Grab `foot_top`, `foot_bottom` and `foot_ground` (and `foot_top`) and assemble them.
##### Finish!
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Great, you got 1 leg done, 5 more to go :)