From 43c5b696aaf421dec7aee967002999d9145da35e Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Tue, 1 Feb 2022 11:23:35 +0100
Subject: Expand knowledge base

---
 content/know/concept/langmuir-waves/index.pdc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'content/know/concept/langmuir-waves/index.pdc')

diff --git a/content/know/concept/langmuir-waves/index.pdc b/content/know/concept/langmuir-waves/index.pdc
index c5cd23e..caf2294 100644
--- a/content/know/concept/langmuir-waves/index.pdc
+++ b/content/know/concept/langmuir-waves/index.pdc
@@ -5,6 +5,7 @@ publishDate: 2021-10-30
 categories:
 - Physics
 - Plasma physics
+- Plasma waves
 - Perturbation
 
 date: 2021-10-15T20:31:46+02:00
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