From 10279ba6cdc9a2af459862b1cbb457e8d54d3bb9 Mon Sep 17 00:00:00 2001
From: Lars kleyn Winkel <l.kleynwinkel@student.tudelft.nl>
Date: Mon, 10 Feb 2020 23:13:11 +0000
Subject: [PATCH] Update src/7_tight_binding_model_sol.md

---
 src/7_tight_binding_model_sol.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/7_tight_binding_model_sol.md b/src/7_tight_binding_model_sol.md
index db370823..aca3560a 100644
--- a/src/7_tight_binding_model_sol.md
+++ b/src/7_tight_binding_model_sol.md
@@ -55,7 +55,7 @@ pyplot.tight_layout();
 
 ### Subquestion 4
 
-Hint: The group velocity is given as $v = \frac{d\omega}{dk}$, draw a coordinate system **under** or **above** the dispersion graph with $k$ on the x-axis in which you draw $\frac{d\omega}{dk}$. Draw a coordinate system **next** to the dispersion with *$g(\omega)$ on the y-axis* in which you graph $\big(\frac{d\omega}{dk}\big)^{-1} \approx \frac{1}{\frac{d\omega}{dk}}$.
+Hint: The group velocity is given as $v = \frac{d\omega}{dk}$, draw a coordinate system **under** or **above** the dispersion graph with $k$ on the x-axis in which you draw $\frac{d\omega}{dk}$. Draw a coordinate system **next** to the dispersion with *$g(\omega)$ on the y-axis* in which you graph $\big(\frac{d\omega}{dk}\big)^{-1}$.
 
 ??? hint "Plots"
 
-- 
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