Fix typo. teh -> the

Author: iaz3

06-installer/README.adoc

@@ -12,4 +12,4 @@ Introduction
 CMake has the ability to create installers for multiple platforms using a program
 called link:https://cmake.org/Wiki/CMake:CPackPackageGenerators[CPack].
 CPack includes the ability to create Linux RPM, deb and gzip distributions
- of both binaries and source code. It also includes teh ability to create NSIS files for Microsoft Windows.
+ of both binaries and source code. It also includes the ability to create NSIS files for Microsoft Windows.