diff --git a/README.mdown b/README.mdown
index 9a1268e..15a7f73 100644
--- a/README.mdown
+++ b/README.mdown
@@ -82,7 +82,7 @@ If you are working near your living space then a food safe sanitizer like [Star
 It is very concentrate, a couple drops into a spray bottle full of water is enough.
 You will know if the solution is diluted enough when it sprays easily and creates small bubbles on the sprayed surface.
 
-It is important to note that sanitization is not sterile.
+It is important to note that sanitation is not sterile.
 Star San does not kill all bacteria or mold.
 There is always a risk of contamination.
 
@@ -116,7 +116,7 @@ A small culture will allow you to grow a test batch of your sample without for a
 
 The preferred culture medium is [liquid cultures](#liquid-cultures).
 [Liquid cultures](#liquid-cultures) provide a similar micro climate as agar slants with the added benefit of being a much easier for inoculating [grain spawn](#grain-spawn-and-substrate).
-The disadvantage of liquid culture is they are a little difficult to identify contaminations.
+The disadvantage of liquid culture is they are a little difficult to identify contamination.
 
 You may use agar slants to isolate mycelium from contamination before transferring to [liquid cultures](#liquid-cultures).
 This guide does not cover their use.
@@ -177,13 +177,13 @@ simple sugar | 15 g | 5 g
 
 ## Autoclave
 
-[Autoclave](https://en.wikipedia.org/wiki/Autoclave) is a generic term for pressurized steam chambers for sanitization and sterilization.
+[Autoclave](https://en.wikipedia.org/wiki/Autoclave) is a generic term for pressurized steam chambers for sanitation and sterilization.
 
 **All autoclave duration measurements use electric pressure cookers for convenience.**
 
 If you have a stove top pressure cooker or industrial autoclave that provide a continuous 100 kPa (15 psi), you may reduce the time by 1/3 for grain spawn.
 
-Autoclavable tools are safe to bring to 120 celsius for extended durations without damage.
+Autoclavable tools are safe to bring to 120 celsius for extended duration without damage.
 
 0. Add the steam rack to the inner pot of the electric pressure cooker.