proxy: fix typo in documentation
diff --git a/include/git2/proxy.h b/include/git2/proxy.h
index dcd6156..194cbb6 100644
--- a/include/git2/proxy.h
+++ b/include/git2/proxy.h
@@ -19,7 +19,7 @@ typedef enum {
/**
* Do not attempt to connect through a proxy
*
- * If built against lbicurl, it itself may attempt to connect
+ * If built against libcurl, it itself may attempt to connect
* to a proxy if the environment variables specify it.
*/
GIT_PROXY_NONE,