Update biorubber.md

docs/files/recipes/biorubber.md

-# BIORUBBER
+# STARCH-BASED RUBBER
 
 ### Tactility & sound impression
 
@@ -122,7 +122,7 @@ Not sure.
 
 ![](../../images/cornstarch6.jpg)*Spread the paste with a spatula (be quick!), Loes Bogers, 2020*
 
-![](../../images/cornstarch7.jpg)*The biorubber curing, Loes Bogers, 2020*
+![](../../images/cornstarch7.jpg)*The strach-based rubber curing, Loes Bogers, 2020*
 
 ![](../../images/cornstarch10.jpg)*Trimming the - still flexible - slab for further curing, Loes Bogers, 2020*
 
@@ -253,11 +253,11 @@ Gracye Theryo, Aaron Johnson, Jane Wissinger. Center for Sustainable Polymers at
 
 ## Images of final product
 
-![](../../images/finalpics-38.jpg)*Biorubber, Loes Bogers, 2020*
-![](../../images/finalpics-39.jpg)*Biorubber, Loes Bogers, 2020*
-![](../../images/finalpics-40.jpg)*Biorubber, Loes Bogers, 2020*
-![](../../images/finalpics-46.jpg)*Biorubber, Loes Bogers, 2020*
-![](../../images/finalpics-47.jpg)*Biorubber, Loes Bogers, 2020*
+![](../../images/finalpics-38.jpg)*Starch-based rubber, Loes Bogers, 2020*
+![](../../images/finalpics-39.jpg)*Starch-based rubber, Loes Bogers, 2020*
+![](../../images/finalpics-40.jpg)*Starch-based rubber, Loes Bogers, 2020*
+![](../../images/finalpics-46.jpg)*Starch-based rubber, Loes Bogers, 2020*
+![](../../images/finalpics-47.jpg)*Starch-based rubber, Loes Bogers, 2020*