diff --git a/HaTeX.cabal b/HaTeX.cabal
--- a/HaTeX.cabal
+++ b/HaTeX.cabal
@@ -1,5 +1,5 @@
 Name: HaTeX
-Version: 3.13.0.0
+Version: 3.13.0.1
 Author: Daniel Díaz
 Category: Text, LaTeX
 Build-type: Simple
@@ -39,7 +39,7 @@
 
 Source-repository head
   type: git
-  location: git@github.com:Daniel-Diaz/HaTeX.git
+  location: git://github.com/Daniel-Diaz/HaTeX.git
 
 Library
   Default-language: Haskell2010
diff --git a/Text/LaTeX/Base/Commands.hs b/Text/LaTeX/Base/Commands.hs
--- a/Text/LaTeX/Base/Commands.hs
+++ b/Text/LaTeX/Base/Commands.hs
@@ -848,7 +848,7 @@
 
 -- | Column separator.
 (&) :: LaTeXC l => l -> l -> l
-(&) = between "&"
+(&) = between (raw "&")
 
 -- | Horizontal line.
 hline :: LaTeXC l => l
diff --git a/Text/LaTeX/Base/Parser.hs b/Text/LaTeX/Base/Parser.hs
--- a/Text/LaTeX/Base/Parser.hs
+++ b/Text/LaTeX/Base/Parser.hs
@@ -19,7 +19,7 @@
 -- * If the parsed value is again rendered, you get the initial input.
 --
 --   In other words, 'parseLaTeX' is a partial function defined over the
---   set of valid LaTeX files, and 'render' is its inverse.
+--   set of valid LaTeX files, and 'render' is its /left/ inverse.
 --
 module Text.LaTeX.Base.Parser (
     -- * The parser