diff --git a/README.md b/README.md
index 52d91c4..f64a133 100644
--- a/README.md
+++ b/README.md
@@ -39,10 +39,10 @@ func add() {
 }
 
 func low() {
-	EvChan := hook.Start()
+	evChan := hook.Start()
 	defer hook.End()
 
-	for ev := range EvChan {
+	for ev := range evChan {
 		fmt.Println("hook: ", ev)
 	}
 }
diff --git a/appveyor.yml b/appveyor.yml
index 02fe53f..34b711f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,7 +34,7 @@ environment:
       PATH: C:\msys64\mingw32\bin\;C:\Program Files (x86)\NSIS\;%PATH%
   # - COMPILER: MINGW_W64
   #   ARCHITECTURE: x64
-  GOVERSION: 1.17.1
+  GOVERSION: 1.17.2
   # GOPATH: c:\gopath
 
 # scripts that run after cloning repository