diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -109,8 +109,8 @@
   it to AWS together with a JavaScript wrapper to pass the input and output
   from/to AWS Lambda.
 
-  You can test the function and see the invocation results with `sls invoke
-  myfunc`.
+  You can test the function and see the invocation results with
+  `sls invoke -f myfunc`.
 
   To invoke the function locally, use `sls invoke local -f myfunc`.
 
diff --git a/serverless-haskell.cabal b/serverless-haskell.cabal
--- a/serverless-haskell.cabal
+++ b/serverless-haskell.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 8f3085240265c22e15c28c5d06e5692f98443f1079bfe9dad3cc0cbf7efe4de1
+-- hash: 4e249e745a066343d3020ec7d9c218268b37b07ce159410d22780eee1394346e
 
 name:           serverless-haskell
-version:        0.8.7
+version:        0.8.8
 synopsis:       Deploying Haskell code onto AWS Lambda using Serverless
 description:    Utilities to help process the events from AWS Lambda when deployed with the serverless-haskell plugin.
 category:       AWS, Cloud, Network
diff --git a/src/AWSLambda.hs b/src/AWSLambda.hs
--- a/src/AWSLambda.hs
+++ b/src/AWSLambda.hs
@@ -44,7 +44,7 @@
     from/to AWS Lambda.
 
     You can test the function and see the invocation results with @sls invoke
-    myfunc@.
+    -f myfunc@.
 
     To invoke the function locally, use @sls invoke local -f myfunc@.