fix incorrect config key

config.example.yml

@@ -15,7 +15,7 @@ proxy_connect_timeout:                 60
 
 # How many times to retry a proxy connection.
 # On each retry a new proxy will be chosen.
-proxy_connect_retry:                   3
+proxy_connect_retries:                   3
 
 # Use `curl-impersonate` to pretend to be Chrome when testing proxies.
 proxy_check_impersonate_chrome:        false

src/proxy/handleConnect.go

@@ -136,7 +136,7 @@ func (p *ForwardProxyCluster) proxyHttpConnect(w http.ResponseWriter, req *http.
 	for i := 0; i < config.GetConfig().ProxyConnectRetries; i++ { // Retry mechanic
 		resp, err := client.Do(proxyReq)
 		if err != nil {
-			*errorMsg = fmt.Sprintf(`Failed to execute %s request to "%s" - attempt %d/%d - %s`, req.Method, req.URL.String(), i+1, config.GetConfig().ProxyConnectRetries+1, err)
+			*errorMsg = fmt.Sprintf(`Failed to execute %s request to "%s" - attempt %d/%d - %s`, req.Method, req.URL.String(), i+1, config.GetConfig().ProxyConnectRetries, err)
 			if i < config.GetConfig().ProxyConnectRetries-1 {
 				continue
 			} else {
@@ -179,7 +179,7 @@ func (p *ForwardProxyCluster) proxyHttpsConnect(w http.ResponseWriter, req *http
 		// Start a connection to the downstream proxy server.
 		proxyConn, err = net.DialTimeout("tcp", proxyHost, config.GetConfig().ProxyConnectTimeout)
 		if err != nil {
-			*errorMsg = fmt.Sprintf(`Failed to dial proxy %s - attempt %d/%d - %s`, proxyHost, i+1, config.GetConfig().ProxyConnectRetries+1, err)
+			*errorMsg = fmt.Sprintf(`Failed to dial proxy %s - attempt %d/%d - %s`, proxyHost, i+1, config.GetConfig().ProxyConnectRetries, err)
 			if i < config.GetConfig().ProxyConnectRetries-1 {
 				continue
 			} else {