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 ] def
 /f-0-0 currentdict end definefont pop
 %%EndResource
@@ -403,24 +398,24 @@ q -1 0 0 -1 0 0 cm
 -141.859 -66.316 m S Q
 0.527615 w
 q 1 0 0 1 0 0 cm
-73.992 68.195 m 73.992 55.961 l S Q
-73.992 58.074 m 75.047 59.129 l 73.992 55.434 l 72.938 59.129 l h
-73.992 58.074 m f*
-0.281395 w
-q 0 1 -1 0 0 0 cm
-58.074 -73.992 m 59.129 -75.047 l 55.434 -73.992 l 59.129 -72.938 l h
-58.074 -73.992 m S Q
+60.637 61.477 m 68.461 52.078 l S Q
+67.109 53.699 m 67.246 55.184 l 68.797 51.672 l 65.625 53.836 l h
+67.109 53.699 m f*
+0.216281 w
+q -0.832323 1 -1 -0.832323 0 0 cm
+-1.275 -66.049 m -0.465 -66.859 l -3.302 -66.049 l -0.464 -65.239 l h
+-1.275 -66.049 m S Q
 BT
 7.5 0 0 -7.5 127.625404 108.917622 Tm
 /f-0-0 1 Tf
 (V1)Tj
--11.575418 0.137578 Td
+-12.14708 0.113759 Td
 (V2)Tj
-9.86655 9.827816 Td
+10.438211 9.851635 Td
 (A)Tj
--7.123277 -4.820805 Td
+-8.361877 -4.582612 Td
 (A)Tj
-2.068629 6.6376 Td
+3.30723 6.399407 Td
 (Q1)Tj
 8.148598 -5.000685 Td
 (Q2)Tj
@@ -445,10 +440,10 @@ q 1 0 0 1 0 0 cm
 79.902 79.238 m 80.965 78.176 l 77.242 79.238 l 80.965 80.301 l h
 79.902 79.238 m S Q
 BT
-7.5 0 0 -7.5 75.549917 90.70471 Tm
+7.5 0 0 -7.5 65.724483 89.275555 Tm
 /f-0-0 1 Tf
-[(a ; f)]TJ
-2.140583 2.896081 Td
+[(a    f)]TJ
+3.450641 2.705527 Td
 (b)Tj
 -5.360448 5.918078 Td
 (c)Tj
@@ -471,9 +466,9 @@ q 1 0 0 1 0 0 cm
 0.402787 w
 [ 3.222299 3.222299] 0 d
 q 1 0 0 1 0 0 cm
-76.445 30.281 m 76.445 97.23 l S Q
+76.691 29.785 m 76.691 96.734 l S Q
 BT
-7.5 0 0 -7.5 71.179287 108.421726 Tm
+7.5 0 0 -7.5 72.429794 108.421726 Tm
 /f-0-0 1 Tf
 (V3)Tj
 ET
diff --git a/ThermodynamiqueOS/ThermodynamiqueOS.tex b/ThermodynamiqueOS/ThermodynamiqueOS.tex
index f5a2f02..555a8b6 100644
--- a/ThermodynamiqueOS/ThermodynamiqueOS.tex
+++ b/ThermodynamiqueOS/ThermodynamiqueOS.tex
@@ -1254,7 +1254,7 @@ A&=Q_{abs}-Q_{rej}\\
 Le rendement est alors~:
 \begin{align*}
 \eta&=\frac{n\cdot C_P\cdot (T_3-T_2)-n\cdot C_V\cdot (T_4+T_1)}{n\cdot C_V\cdot (T_3-T_2)}\\
-&=1-\frac{C_V\cdot (T_4-T_1)}{n\cdot C_P\cdot (T_3-T_2)}\\
+&=1-\frac{C_V\cdot (T_4-T_1)}{C_P\cdot (T_3-T_2)}\\
 &=1-\frac{T_1\cdot C_V\cdot (T_4/T_1-1)}{T_2\cdot C_P\cdot (T_3/T_2-1)}
 \end{align*}
 Or, l'équation \ref{adiavariation1}, valable pour une transformation adiabatique, peut s'écrire~: