diff --git a/license b/license
index 540b9d7..9146125 100644
--- a/license
+++ b/license
@@ -1,4 +1,4 @@
-MIT License 2019
+MIT License
 
 Copyright (c) Abraham Hernandez <abraham@abranhe.com> (abranhe.com)
 
diff --git a/open.c b/open.c
index 6313317..7013a41 100644
--- a/open.c
+++ b/open.c
@@ -20,11 +20,11 @@ create_cmd(const char * cmd, const char * link) {
     return url;
 }
 
-void 
-open(const char * url) {
+int
+open(const char *url) {
     
-    const char * platform = operating_system();
-    const char * cmd = NULL;
+    const char *platform = operating_system();
+    const char *cmd = NULL;
 
     // Hanlde macOS
     if (!strcmp(platform, "macOS")) {
@@ -42,8 +42,9 @@ open(const char * url) {
       cmd = "xdg-open";
     }
 
-    char * script = create_cmd(cmd, url);
+    char *script = create_cmd(cmd, url);
 
     system(script);
     free(script);
+    return 0;
 }
\ No newline at end of file
diff --git a/open.h b/open.h
index 56b3f70..a5a66c6 100644
--- a/open.h
+++ b/open.h
@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-void open(const char * url);
+int open(const char *url);
 
 #ifdef __cplusplus
 }
diff --git a/readme.md b/readme.md
index c0ff790..c34fdde 100644
--- a/readme.md
+++ b/readme.md
@@ -47,13 +47,13 @@ $ make run-example
 
 ## API
 
-#### `void open(char * url);`
+#### `int open(const char *link);`
 
 *Open a URL on the default browser.*
 
 ###### Params:
 
-- `url`: The url you whish to be opened
+- `link`: The url you whish to be opened
 
 ## Related