Fixed typo.

cmdline/apt-cache.cc

@@ -1740,7 +1740,7 @@ bool ShowHelp(CommandLine &Cmd)
       "   depends - Show raw dependency information for a package\n"
       "   rdepends - Show reverse dependency information for a package\n"
       "   pkgnames - List the names of all packages in the system\n"
-      "   dotty - Generate package graphs for GraphVis\n"
+      "   dotty - Generate package graphs for GraphViz\n"
       "   xvcg - Generate package graphs for xvcg\n"
       "   policy - Show policy settings\n"
       "\n"

debian/changelog

@@ -37,6 +37,7 @@ apt (0.7.17) unstable; urgency=low
     - Actualized 'Uploaders' field.
   * cmdline/apt-cache.cc:
     - Advanced built-in help. Patch by Andre Felipe Machado. (Closes: #286061)
+    - Fixed typo 'GraphVis' -> 'GraphViz'. (Closes: #349038)
   * doc/:
     - Substituded 'apt-archive' with 'apt-ftparchive' in docs.
       Patch based on work of Andre Felipe Machado. (Closes: #350865)