Fix #9694 Don't imply that Haddock docs exist, when warning not installed

Author: mpilgrem

Diff for: Cabal/src/Distribution/Simple/Haddock.hs

@@ -1382,7 +1382,7 @@ haddockPackagePaths ipkgs mkHtmlPath = do
 
   let missing = [pkgid | Left pkgid <- interfaces]
       warning =
-        "The documentation for the following packages are not "
+        "The following packages have no Haddock documentation "
           ++ "installed. No links will be generated to these packages: "
           ++ intercalate ", " (map prettyShow missing)
       flags = rights interfaces

Diff for: changelog.d/issue-9694

@@ -0,0 +1,4 @@
+synopsis: Don't imply that Haddock docs exist, when warning not installed
+packages: Cabal
+issues: #9694
+prs: #9695