Added missing "\" to "\var{address}, var{length}" in buffer_info() description.

Doc/lib/libarray.tex

@@ -61,7 +61,7 @@ Append a new item with value \var{x} to the end of the array.
 \end{funcdesc}
 
 \begin{funcdesc}{buffer_info}{}
-Return a tuple \code{(\var{address}, var{length})} giving the current
+Return a tuple \code{(\var{address}, \var{length})} giving the current
 memory address and the length in bytes of the buffer used to hold
 array's contents.  This is occasionally useful when working with
 low-level (and inherently unsafe) I/O interfaces that require memory

Doc/libarray.tex

@@ -61,7 +61,7 @@ Append a new item with value \var{x} to the end of the array.
 \end{funcdesc}
 
 \begin{funcdesc}{buffer_info}{}
-Return a tuple \code{(\var{address}, var{length})} giving the current
+Return a tuple \code{(\var{address}, \var{length})} giving the current
 memory address and the length in bytes of the buffer used to hold
 array's contents.  This is occasionally useful when working with
 low-level (and inherently unsafe) I/O interfaces that require memory