1 files changed, 4 insertions, 2 deletions
diff --git a/main.tex b/main.tex
index dfe26d4..be11870 100644
--- a/main.tex
+++ b/main.tex
@@ -78,6 +78,7 @@
 \dCat{\bOne}{1}
 \dCat{\bTwo}{2}
 \dCat{\bDown}{\downarrow}
+\dCat{\bDDown}{\downdownarrows}
 \dCat{\bCat}{Cat}
 \dCat{\bCAT}{CAT}
 \dCat{\bCls}{Cls}
@@ -86,6 +87,7 @@
 \newcommand{\cB}{\mathcal{B}}
 \newcommand{\cC}{\mathcal{C}}
 \newcommand{\cD}{\mathcal{D}}
+\newcommand{\cS}{\mathcal{S}}
 \newcommand{\dKey}[2]{\newcommand{#1}{\text{#2}}}
 \newcommand{\dKeyPar}[2]{\newcommand{#1}[1]{\text{#2}({##1})}}
 \dKeyPar{\Ob}{Ob}
@@ -105,7 +107,7 @@
 \newcommand{\epicTo}{\twoheadrightarrow}
 \newcommand{\inTo}{\hookrightarrow}
 \renewcommand{\mapsto}{\rightsquigarrow}
-\renewcommand{\Im}{\error{You probably meant \backslash{}Im}}
+\renewcommand{\Im}{\error{You probably meant \backslash{}Img}}
 \newcommand{\dual}[1]{#1^{\text{op}}}
 \newcommand{\power}{\mathcal{P}}
 \newcommand{\copower}{\mathcal{Q}}
@@ -157,7 +159,7 @@
 \chapter{Funtores}
 \input{ch2_funs}
 
-\chapter{Límites}
+\chapter{Límites y colímites}
 \input{ch3_limits}
 
 \chapter{Transformaciones naturales}