docs: ✏️ Fix Journal demo relation name

apps/edit-docs/demo/root/Trilium Demo/Formatting examples/Math.html

@@ -15,7 +15,9 @@
       <div class="ck-content">
         <p><span class="math-tex">\(% \f is defined as #1f(#2) using the macro \f\relax{x} = \int_{-\infty}^\infty &nbsp; &nbsp; \f\hat\xi\,e^{2 \pi i \xi x} &nbsp; &nbsp; \,d\xi\)</span>Some
           math examples:</p><span class="math-tex">\[\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} } } }\]</span>
+
         <p>Another:</p><span class="math-tex">\[\displaystyle \left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)\]</span>
+
         <p>Inline math is also possible:&nbsp;<span class="math-tex">\(c^2 = a^2 + b^2\)</span>&nbsp;</p>
         <p>&nbsp;</p>
       </div>