diff --git a/README.md b/README.md
index 92b70bde779d12e31fabd571076abbacd097ebd7..1da801d67fb0096993fa3d0a6bc1cf7fcb5090dd 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ FDM 3D printed masks are slow to produce and have a porosity bigger than >0.1um,
 <img src="images/l5_0.jpg"  width="400" >
 
 We are working in a version made from wood pulp instead of 3D printing to be mass produced with compression molds similar to egg boxes.
-The filter frame is still 3D printed. Our next step is to oncorporate it in the mold and make it with wood pulp.
+The filter frame is still 3D printed. Our next step is to Incorporate it in the mold and make it with wood pulp.
 
 ### Raw Material
 
@@ -59,9 +59,11 @@ We are also working with wood pulp based fabrics, that will act as filter of big
 
 ### Fabricating the filter
 
-Due to the density of the celulose raw material, we smashed it and compact into a breathable filter. 
+Due to the density of the celulose raw material, we pulverized it and compact into a breathable filter of about 5mm thickness.
+The filter needs to be tested to evaluate its filtering capacity and porosity.
 
-<img src="images/l1_2.jpg"  width="400" >
+<img src="images/l1_2.jpg"  width="200" >
+<img src="images/l6.jpg"  width="200" >
 
 ### Assembling the mask