diff --git a/README.mdown b/README.mdown
index d437be3..047f37b 100644
--- a/README.mdown
+++ b/README.mdown
@@ -24,7 +24,7 @@ As a result of the above hubris we triple our efforts.
 - Make one extra of the above as a control for testing your sanitation.
 
 It is OK.
-Seed spawn, agar, and sugar water are inexpensive.
+Bird seed, agar powder, and sugar water are inexpensive.
 All other equipment can be reused.
 
 Saving a [control](https://en.wikipedia.org/wiki/Scientific_control) will help you test for contamination introduced through your technique.
@@ -41,10 +41,10 @@ The end of this document has a combined checklist.
 
 Newbies should start with grocery store mushrooms.
 This will allow you to walk through the methods without fear of wasting a sample.
-Getting other samples should not be difficult but it is quite frustrating to discover all the precautions were made in vain when a contaminated sample was the source.
-Of course there is always the risk of contaminated grocery store mushrooms.
+Finding other kinds of mycelium samples is not particularly difficult but it is frustrating to discover all the sanitary precautions were made in vain when a contaminated sample was the source.
+There remains the risk that grocery store mushrooms are contaminated.
 
-Online shopping can get you all sorts of sample types ranging from spawn grains and liquid culture to spores and dried mushrooms.
+Online shopping can get you all sorts of mycelium sample types, ranging from spawn grains and liquid culture to spores and dried mushrooms.
 When paying good money for a sample try to find liquid culture as they have a pretty good colonization rate.
 
 Eventually you will want to make your own cultures from your harvested mushrooms.