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-rw-r--r--source/know/concept/korteweg-de-vries-equation/index.md4
1 files changed, 2 insertions, 2 deletions
diff --git a/source/know/concept/korteweg-de-vries-equation/index.md b/source/know/concept/korteweg-de-vries-equation/index.md
index 4a050fe..2857e23 100644
--- a/source/know/concept/korteweg-de-vries-equation/index.md
+++ b/source/know/concept/korteweg-de-vries-equation/index.md
@@ -10,8 +10,8 @@ layout: "concept"
The **Korteweg-de Vries (KdV) equation** is
a nonlinear 1+1D partial differential equation
-derived to describe water waves.
-It is usually given in its dimensionless form, namely:
+that was originally derived to describe water waves.
+It is usually given in its dimensionless form:
$$\begin{aligned}
\boxed{