diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,8 @@
 # Revision history for simple-prompt
 
+## 0.2.4 (2025-12-28)
+- yesNo[Default]: only append "?" if missing
+
 ## 0.2.3 (2024-06-13)
 - getGenericPrompt: adapt prompt suffix for final newline or colon
 - clearedInput no longer prints short duration for any buffered input
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -21,3 +21,9 @@
 
 - `runPrompt`, `getPrompt*`
 - `untilInput`, `mapInput`, `clearedInput`, `nonEmptyInput`.
+
+## Usage examples
+Since it basically runs in the IO monad usage is pretty simple.
+
+For explicit examples search for `import SimplePrompt` in consumer packages:
+dl-fedora, fbrnch, hkgr, rhbzquery, select-rpms, stack-clean-old
diff --git a/simple-prompt.cabal b/simple-prompt.cabal
--- a/simple-prompt.cabal
+++ b/simple-prompt.cabal
@@ -1,5 +1,5 @@
 name:                simple-prompt
-version:             0.2.3
+version:             0.2.4
 synopsis:            Simple commandline text prompt functions
 description:
         The library provides prompt functions for reading user input:
@@ -10,7 +10,7 @@
 license-file:        LICENSE
 author:              Jens Petersen <juhpetersen@gmail.com>
 maintainer:          Jens Petersen <juhpetersen@gmail.com>
-copyright:           2023-2024  Jens Petersen <juhpetersen@gmail.com>
+copyright:           2023-2025  Jens Petersen <juhpetersen@gmail.com>
 category:            System
 homepage:            https://github.com/juhp/simple-prompt
 bug-reports:         https://github.com/juhp/simple-prompt/issues
@@ -25,8 +25,10 @@
                      || == 9.0.2
                      || == 9.2.8
                      || == 9.4.8
-                     || == 9.6.5
-                     || == 9.8.2
+                     || == 9.6.7
+                     || == 9.8.4
+                     || == 9.10.3
+                     || == 9.12.2
 
 source-repository head
   type:                git
diff --git a/src/SimplePrompt.hs b/src/SimplePrompt.hs
--- a/src/SimplePrompt.hs
+++ b/src/SimplePrompt.hs
@@ -14,7 +14,8 @@
   ) where
 
 import Control.Monad (void)
-import Data.List.Extra (lower)
+import Data.List.Extra (lower, trimEnd)
+import Safe
 import System.Console.Haskeline (waitForAnyKey)
 
 import SimplePrompt.Internal
@@ -33,7 +34,7 @@
 promptInitial :: MONADCONSTRAINT => String -> String -> m String
 promptInitial s = runPrompt . clearedInput . getPromptInitial s
 
--- | reads string with buffering
+-- | reads string including any buffered input
 promptBuffered :: MONADCONSTRAINT => String -> m String
 promptBuffered = runPrompt . getPromptLine
 
@@ -63,7 +64,7 @@
 -- | Yes-No prompt (accepts only {y,n,yes,no} case-insensitive)
 yesNo :: MONADCONSTRAINT => String -> m Bool
 yesNo desc =
-  runPrompt . mapInput maybeYN . getPromptLine $ desc ++ "? [y/n]"
+  runPrompt . mapInput maybeYN . getPromptLine $ appendQuestion desc ++ " [y/n]"
   where
     maybeYN inp =
       case lower inp of
@@ -73,11 +74,18 @@
         "no" -> Just False
         _ ->  Nothing
 
+appendQuestion :: String -> String
+appendQuestion desc =
+  case lastMay (trimEnd desc) of
+    Just '?' -> desc
+    _ -> desc ++ "?"
+
 -- | Yes-No prompt with default (uses `clearedInput`)
-yesNoDefault :: MONADCONSTRAINT => Bool -> String -> m Bool
+yesNoDefault :: MONADCONSTRAINT => Bool -- ^ True => [Y/n], False => [y,N]
+             -> String -> m Bool
 yesNoDefault yes desc =
   runPrompt . mapInput maybeYN' . clearedInput . getPromptLine $
-  desc ++ "? " ++ if yes then "[Y/n]" else "[y/N]"
+  appendQuestion desc ++ " " ++ if yes then "[Y/n]" else "[y/N]"
   where
     maybeYN' inp =
       case lower inp of