diff --git a/safety-sheets.tex b/safety-sheets.tex
index 6a006c7..75cdeec 100644
--- a/safety-sheets.tex
+++ b/safety-sheets.tex
@@ -361,7 +361,7 @@
 \machinePage{Pottery Oven}{Mandatory}{
 This oven is for pottery, ceramics, annealing and similar use. Up to 1200\degree C.
 
-Please write down the electricity use (kWh counter) and pay \euro{0.25} to the foundation (NL30 TRIO 0197 6945 19).
+Please write down the electricity use (kWh counter) and pay \euro{0.25}/kWh to the foundation (NL30 TRIO 0197 6945 19).
 }{
 \prohib{75}{No mid-bake opening}{This oven is not designed to be opened while hot. Or to have contents removed (or added) while hot.}
 \prohib{75}{No fumes}{This oven has no exhaust. So no metal melting or similar.}
@@ -371,7 +371,7 @@
 \action{49}{Be present when the heating is supposed to finish}{You MUST be at the machine when it is near finished heating or check within one or two hours thereafter.}
 }{
 Stay with the machine during the first few hours. 
-Be present when it us supposed to finish (or soon thereafter) -- as the machine lacks an extra safety mechanism and may not shut donw properly.
+Be present when it us supposed to finish (or soon thereafter) -- as the machine lacks an extra safety mechanism and may not shut down properly.
 }
 
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