diff --git a/src/Main.hs b/src/Main.hs
index 5937adb..ffa0acd 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -68,9 +68,9 @@ data ProgArgs = ProgArgs
 parser :: ParserSpec ProgArgs
 parser = ProgArgs
   `parsedBy` reqPos      "term"      `Descr` "Keychain search term"
-  `andBy`    optFlag  "" "keychain"  `Descr` "Use a specific keychain"
-  `andBy`    optFlag  "" "exact"     `Descr` "Only return exact matches"
-  `andBy`    optFlag  10 "limit"     `Descr` "Set upper results limit"
+  `andBy`    optFlag  "" "keychain"  `Descr` "Use a specific keychain (default: all except System)"
+  `andBy`    optFlag  "" "exact"     `Descr` "Return exact matches by attribute"
+  `andBy`    optFlag  10 "limit"     `Descr` "Set upper results limit (0: unlimited)"
   `andBy`    boolFlag    "content"   `Descr` "Print only the items content"
   `andBy`    boolFlag    "clipboard" `Descr` "Disable clipboard paste"