diff --git a/doc/config.rst b/doc/config.rst
index 73ecdd3b1e..4a8792e9ab 100644
--- a/doc/config.rst
+++ b/doc/config.rst
@@ -444,7 +444,7 @@ Server connection settings
     there is a chance your SSL connection will fail due to validation.
     Setting this to ``false`` will disable the validation check.
 
-    Since PHP 5.6.0 it also verifies whether server name matches CN of it's
+    Since PHP 5.6.0 it also verifies whether server name matches CN of its
     certificate. There is currently no way to disable just this check without
     disabling complete SSL verification.