fixed typo

Author: jcponce

contenido/esfera_de_riemann.html

@@ -227,7 +227,7 @@ <h2>Límites relacionados con infinito</h2>
                         \lim_{z\to \infty} f(x) = \infty.
                         \]
                     </p><p><strong>Example 3:</strong>
-                        Ahora sea $f(z) = \dfrac{2z^3-1}{z^2+1},$ for $z\neq -1.$ Entonces
+                        Ahora sea $f(z) = \dfrac{2z^3-1}{z^2+1},$ for $z\neq \pm i.$ Entonces
                         \[
                         \lim_{z\to \infty} f(x) = \infty.
                         \]

content/riemann_sphere.html

@@ -216,7 +216,7 @@ <h2>Infinite Limits</h2>
                     </p>
 
                     <p><strong>Example 3:</strong>
-                        Now let $f(z) = \dfrac{2z^3-1}{z^2+1},$ for $z\neq -1.$ Then
+                        Now let $f(z) = \dfrac{2z^3-1}{z^2+1},$ for $z\neq \pm i.$ Then
                         \[
                         \lim_{z\to \infty} f(x) = \infty.
                         \]