diff --git a/doc/source/contributor/vitrage-api.rst b/doc/source/contributor/vitrage-api.rst
old mode 100755
new mode 100644
index 68380ca61..d959a59af
--- a/doc/source/contributor/vitrage-api.rst
+++ b/doc/source/contributor/vitrage-api.rst
@@ -1478,7 +1478,7 @@ An event to be posted. Will contain the following fields:
 A dict of some potential details, copied from the Doctor SB API reference:
 
 - hostname: the hostname on which the event occurred.
-- source: the display name of reporter of this event. This is not limited to monitor, other entity can be specified such as ‘KVM’.
+- source: the display name of reporter of this event. This is not limited to monitor, other entity can be specified such as 'KVM'.
 - cause: description of the cause of this event which could be different from the type of this event.
 - severity: the severity of this event set by the monitor.
 - status: the status of target object in which error occurred.
diff --git a/tox.ini b/tox.ini
index 6fad1b9a2..bc408d0bf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,7 +46,7 @@ commands = oslo_debug_helper {posargs}
 
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.
-# H106: Don’t put vim configuration in source files
+# H106: Don't put vim configuration in source files
 # H203: Use assertIs(Not)None to check for None
 
 show-source = True