diff --git a/lib/system.nim b/lib/system.nim
index 02da048e49ef..09de9fcde85e 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -2319,6 +2319,15 @@ when notJSnotNims:
   proc setControlCHook*(hook: proc () {.noconv.})
     ## Allows you to override the behaviour of your application when CTRL+C
     ## is pressed. Only one such hook is supported.
+    ## Example:
+    ##
+    ## .. code-block:: Nim
+    ##   proc ctrlc() {.noconv.} =
+    ##     echo "Ctrl+C fired!"
+    ##     # do clean up stuff
+    ##     quit()
+    ##
+    ##   setControlCHook(ctrlc)
 
   when not defined(noSignalHandler) and not defined(useNimRtl):
     proc unsetControlCHook*()