Fixing documentation

Change-Id: I639080cfa8f3d0e6845f4779e7b5b4bd14775cb0
diff --git a/docs/source/operations.rst b/docs/source/operations.rst
index 72c636d..3b50fef 100644
--- a/docs/source/operations.rst
+++ b/docs/source/operations.rst
@@ -8,7 +8,8 @@
 When you ``enable`` the device in VOLTHA the simulator will:
 
 - activate all the configured ONUs
-- wait for the EAPOL flow for each Service that requires it and trigger the authentication state machine as soon as it's received
+- wait for the EAPOL flow for each Service that requires it and trigger the authentication state machine as soon as
+  it's received
 - wait for the DHCP flow for each Service that requires it and trigger the DHCP state machine as soon as it's received
 
 BBSimCtl
@@ -149,4 +150,4 @@
 .. toctree::
     :maxdepth: 1
 
-    api.rst
\ No newline at end of file
+    api.rst