Rewrite "Lindhard function", split off "dielectric function"

1 files changed, 3 insertions, 2 deletions

diff --git a/content/know/concept/coulomb-logarithm/index.pdc b/content/know/concept/coulomb-logarithm/index.pdc
index 71b13a8..422f73b 100644
--- a/content/know/concept/coulomb-logarithm/index.pdc
+++ b/content/know/concept/coulomb-logarithm/index.pdc
@@ -84,8 +84,9 @@ and is thus barely affected by this inconsistency.
 
 You can easily convince yourself
 that the average time $\tau$ between "collisions"
-is related as follows to the cross-section $\sigma$,
-the density $n$, and relative velocity $|\vb{v}|$:
+is related like so to the cross-section $\sigma$,
+the total density $n$ of charged particles,
+and the relative velocity $|\vb{v}|$:
 
 $$\begin{aligned}
     \frac{1}{\tau}