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-rw-r--r--latex.html.markdown2
1 files changed, 1 insertions, 1 deletions
diff --git a/latex.html.markdown b/latex.html.markdown
index c980f5e5..e8bc6064 100644
--- a/latex.html.markdown
+++ b/latex.html.markdown
@@ -141,7 +141,7 @@ Operators are essential parts of a mathematical document:
trigonometric functions ($\sin$, $\cos$, $\tan$),
logarithms and exponentials ($\log$, $\exp$),
limits ($\lim$), etc.\
-have per-defined LaTeX commands.
+have pre-defined LaTeX commands.
Let's write an equation to see how it's done:
$\cos(2\theta) = \cos^{2}(\theta) - \sin^{2}(\theta)$