fix words in tips wax

docs/Instruction/tips/wax_milling_mods.md

 # Wax milling with mods and Genmitsu PROVerXL4030
 
-## Material ans Machine
+## Material and Machine
 
   - Machinable wax
     - size: 152mm x 92mm x 39mm (real size is smaller)
@@ -31,7 +31,7 @@
 ![](../images/wax_milling/mods_open_roughcut.png)  
 ![](../images/wax_milling/mods_path_roughcut.png)  
 
-Click calculate to make path abd download .nc file
+Click calculate to make path and download .nc file
 
 !!! Note
     In ``mill raster 2.5D`` node, Set ```offset number```: **0**  ( 0 =fill)  
@@ -39,7 +39,7 @@ Click calculate to make path abd download .nc file
 
 #### Check the g-code
 
-[NC viewer](https://ncviewer.com/)
+[NC Viewer](https://ncviewer.com/)
 
 - handy online tool for quick visualization
 
@@ -78,10 +78,10 @@ Click calculate to make path abd download .nc file
 
 
 !!! Attention
-   These are default parameter of wax milling in Roland Modela Player 4.  
-   ![](../images/wax_milling/modela_player4_para_rough.png){width=400}
-   ![](../images/wax_milling/modela_player4_para_finish.png){width=400}  
-   Refering to this, Set the wax milling parameter in appropriate mods' nodes  
+    These are default parameter of wax milling in Roland Modela Player 4.  
+    ![](../images/wax_milling/modela_player4_para_rough.png){width=400}
+    ![](../images/wax_milling/modela_player4_para_finish.png){width=400}  
+    Refering to this, Set the wax milling parameter in appropriate mods' nodes  
     ![](../images/proverXL/node-path_to_G-code.png){width=250}
     ![](../images/wax_milling/mods_mill_raster_2.5D.png){width=250}
     ![](../images/wax_milling/mods_mill_raster_3D.png){width=250}