Fix heading format for Delta-V calculations

Updated section heading to use 'Delta-V' instead of '\Delta v'.

Author: devNull-bootloader

README.md

@@ -19,9 +19,10 @@ Simulates a planet orbiting a star using Newton's law of universal gravitation.
 
 > 🔧 *Update: support for multiple planets and variable initial speeds!*
 
-### 🌍 Hohmann Transfer Simulations and \(\Delta v\) Calculations
+### 🌍 Hohmann Transfer Simulations and Delta-V Calculations
 **Status:** Done
 Simulates a probe performing a Hohmann Transfer using the Vis-Viva equation. Graphs show "Speed vs. Time" and other relations.
+
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 More projects to come soon: