diff --git a/Paper.tex b/Paper.tex
index c73dcffd..dcdd07e5 100644
--- a/Paper.tex
+++ b/Paper.tex
@@ -471,9 +471,10 @@ \subsubsection{Block Header Validity}
 \begin{equation}
 \homesteadmod \equiv \text{max}\left( 1 - \left\lfloor\frac{H_s - {P(H)_H}_s}{10}\right\rfloor, -99 \right)
 \end{equation}
-\begin{equation}
-\expdiffsymb \equiv \left\lfloor 2^{ \left\lfloor H_i \div 100000 \right\rfloor - 2 } \right\rfloor
-\end{equation}
+\begin{align}
+\expdiffsymb &\equiv \left\lfloor 2^{ \left\lfloor H'_i \div 100000 \right\rfloor - 2 } \right\rfloor \\
+H'_i &\equiv \max(H_i - 3000000, 0)
+\end{align}
 
 The canonical gas limit $H_l$ of a block of header $H$ must fulfil the relation:
 \begin{eqnarray}
@@ -1038,9 +1039,9 @@ \subsection{Reward Application}
 
 If there are collisions of the beneficiary addresses between ommers and the block (i.e. two ommers with the same beneficiary address or an ommer with the same beneficiary address as the present block), additions are applied cumulatively.
 
-We define the block reward as 5 Ether:
+We define the block reward as 3 Ether:
 \begin{equation}
-\text{Let} \quad R_b = 5 \times 10^{18}
+\text{Let} \quad R_b = 3 \times 10^{18}
 \end{equation}
 
 \subsection{State \& Nonce Validation}\label{sec:statenoncevalidation}