remove repetition

Author: arm61

_build/important_considerations/ensembles.md

@@ -30,7 +30,7 @@ This means that the velocities of the particles may be rescaled by the following
 
 $$ v_i = v_i \sqrt{\dfrac{T_{\text{target}}}{\bar{T}}}, $$
 
-where $v_i$ is the velocity of particle $i$, $T_{\text{target}}$ is the target temperature for the themostat, and $\bar{T}$ is the average simulation temperature.
+where $T_{\text{target}}$ is the target temperature for the themostat, and $\bar{T}$ is the average simulation temperature.
 pylj [[1,2](#references)], the software that you shall use in the next lesson uses this method for producing an NVT simulation, using the `heat_bath` function.
 Various **other methods** for thermostatting exist, such as the Anderson, Nosé-Hoover, or the Berendsen [[3-6](#references)].
 

content/important_considerations/ensembles.md

@@ -18,7 +18,7 @@ This means that the velocities of the particles may be rescaled by the following
 
 $$ v_i = v_i \sqrt{\dfrac{T_{\text{target}}}{\bar{T}}}, $$
 
-where $v_i$ is the velocity of particle $i$, $T_{\text{target}}$ is the target temperature for the themostat, and $\bar{T}$ is the average simulation temperature.
+where $T_{\text{target}}$ is the target temperature for the themostat, and $\bar{T}$ is the average simulation temperature.
 pylj [[1,2](#references)], the software that you shall use in the next lesson uses this method for producing an NVT simulation, using the `heat_bath` function.
 Various **other methods** for thermostatting exist, such as the Anderson, Nosé-Hoover, or the Berendsen [[3-6](#references)].