Fix typo - libzahl - big integer library
 (HTM) git clone git://git.suckless.org/libzahl
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 114cc6b1a25c8a40e5df7d8af965a127c784a8b7
 (DIR) parent 33bae5e5a2a36f6269d6953dfe2267720325d31c
 (HTM) Author: Mattias Andrée <maandree@kth.se>
       Date:   Sun, 24 Jul 2016 20:57:12 +0200
       
       Fix typo
       
       Signed-off-by: Mattias Andrée <maandree@kth.se>
       
       Diffstat:
         M doc/exercises.tex                   |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/doc/exercises.tex b/doc/exercises.tex
       @@ -221,7 +221,7 @@ of times $n$ is divisible by 2. If we write $n$ on
        the form $1 \cdot 2 \cdot 3 \cdot \ldots \cdot x$,
        every $2^\text{nd}$ factor is divisible by 2, every
        $4^\text{th}$ factor is divisible by $2^2$, and so on.
       -From call \texttt{zlsb} we know how many times,
       +From calling \texttt{zlsb} we know how many times,
        $n$ is divisible by 2, but know how many of the factors
        are divisible by 2, but this can be calculated with
        the following algorithm, where $k$ is the number