correct management-typo in description found by lintian

debian/control

@@ -43,7 +43,7 @@ Pre-Depends: ${misc:Pre-Depends}
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Breaks: apt (<< 0.9.4~)
 Section: libs
-Description: package managment runtime library
+Description: package management runtime library
  This library provides the common functionality for searching and
  managing packages as well as information about packages.
  Higher-level package managers can depend upon this library.
@@ -107,9 +107,9 @@ Package: apt-utils
 Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Suggests: xz-utils
-Description: package managment related utility programs
+Description: package management related utility programs
  This package contains some less used commandline utilities related
- to package managment with APT.
+ to package management with APT.
  .
   * apt-extracttemplates is used by debconf to prompt for configuration
     questions before installation.