diff --git a/cabal-install/src/Distribution/Client/Setup.hs b/cabal-install/src/Distribution/Client/Setup.hs
index 85cc7665647..85f00dd9609 100644
--- a/cabal-install/src/Distribution/Client/Setup.hs
+++ b/cabal-install/src/Distribution/Client/Setup.hs
@@ -3408,7 +3408,7 @@ pathCommand :: CommandUI PathFlags
 pathCommand =
   CommandUI
     { commandName = "path"
-    , commandSynopsis = "Display paths used by cabal"
+    , commandSynopsis = "Display paths used by cabal."
     , commandDescription = Just $ \_ ->
         wrapText $
           "This command prints the directories that are used by cabal,"