diff --git a/main.cpp b/main.cpp
index 125747c..a61afc7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,9 +1,10 @@
+#include <curl/curl.h>
 #include <iostream>
 #include <vector>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
-//#include "doctest.h"
+
 using namespace std;
 
 struct Input {
@@ -12,14 +13,15 @@ struct Input {
     size_t block_width{};
 };
 
-Input input_data(istream& in_steam = cin, bool prompt = true) {
+Input input_data(istream& in_stream = cin, bool prompt = true) {
+    Input in;
     size_t number_count;
+
     if (prompt) {
-            cerr << "Enter number count: ";
+        cerr << "Enter number count: ";
     }
-    in_steam >> number_count;
+    in_stream >> number_count;
 
-    Input in;
     in.numbers.resize(number_count);
 
     if (prompt) {
@@ -37,11 +39,16 @@ Input input_data(istream& in_steam = cin, bool prompt = true) {
     return in;
 }
 
-
 int main() {
+    CURLcode res = curl_global_init(CURL_GLOBAL_ALL);
+    if (res != CURLE_OK) {
+        cerr << "cURL initialization failed: " << curl_easy_strerror(res) << endl;
+        return 1;
+    }
+
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins, in.block_width);
 
+    curl_global_cleanup();
 }
-