Update installing.asc

Author: austerus

book/01-introduction/sections/installing.asc

@@ -61,7 +61,7 @@ Some people may instead find it useful to install Git from source, because you'l
 The binary installers tend to be a bit behind, though as Git has matured in recent years, this has made less of a difference.
 
 If you do want to install Git from source, you need to have the following libraries that Git depends on: curl, zlib, openssl, expat, and libiconv.
-For example, if you're on a system that has yum (such as Fedora) or apt-get (such as a Debian based system), you can use one of these commands to install the minimal dependencies for compiling and installing the git binaries:
+For example, if you're on a system that has yum (such as Fedora) or apt-get (such as a Debian based system), you can use one of these commands to install the minimal dependencies for compiling and installing the Git binaries:
 
   $ yum install curl-devel expat-devel gettext-devel \
     openssl-devel zlib-devel