diff --git a/README.mdown b/README.mdown
index 1461a55..9dd717d 100644
--- a/README.mdown
+++ b/README.mdown
@@ -170,7 +170,7 @@ simple sugar | 15 g | 5 g
 
     - Optionally add no more than 1 gram of diammonium phosphate (dap) with urea for yeast nutrients.
 
-4. Cover jar opening with aluminum foil and [autoclave](#autoclave) for 20 minutes.
+4. Cover jar opening with aluminum foil and [autoclave](#autoclave) for 10 minutes.
    Allow to cool to room temperature.
 
 5. Replace aluminum foil with mason jar lid, screwing closed tightly to prevent spilling.
@@ -215,7 +215,7 @@ light corn syrup | 6 g | 2 g
 
 5. Fill a sanitary test tube one third (1/3) capacity and replace the screw cap.
 
-6. Place test tubes in an empty mason jar and [autoclave](#autoclave) for 20 minutes.
+6. Place test tubes in an empty mason jar and [autoclave](#autoclave) for 10 minutes.
 
 7. Carefully remove each test tube and place on a flat surface with the screw cap slightly elevated on a dish towel.
 
@@ -230,7 +230,7 @@ light corn syrup | 6 g | 2 g
 
 **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.
+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.