diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index bcf8e190fe..c05bc3571b 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -1216,7 +1216,7 @@ req_raid_interface:
   type: string
 req_rescue_interface:
   description: |
-    The interface used for node rescue, e.g. “no-rescue”.
+    The interface used for node rescue, e.g. "no-rescue".
   in: body
   required: false
   type: string
diff --git a/doc/source/admin/drivers/ilo.rst b/doc/source/admin/drivers/ilo.rst
index a86d3d0395..642a2a5757 100644
--- a/doc/source/admin/drivers/ilo.rst
+++ b/doc/source/admin/drivers/ilo.rst
@@ -203,7 +203,7 @@ Node configuration
 ^^^^^^^^^^^^^^^^^^
 
 * Each node is configured for ``ilo`` hardware type by setting the following
-  ironic node object’s properties in ``driver_info``:
+  ironic node object's properties in ``driver_info``:
 
   - ``ilo_address``: IP address or hostname of the iLO.
   - ``ilo_username``: Username for the iLO with administrator privileges.
@@ -217,7 +217,7 @@ Node configuration
     port on the ironic conductor node may be used. This is required only when
     ``ilo-console`` interface is used.
 
-* The following properties are also required in node object’s
+* The following properties are also required in node object's
   ``driver_info`` if ``ilo-virtual-media`` boot interface is used:
 
   - ``ilo_deploy_iso``: The glance UUID of the deploy ramdisk ISO image.
@@ -233,7 +233,7 @@ Node configuration
   - ``ilo_rescue_iso``: The glance UUID of the rescue ISO image. This is optional
     property and is used when ``rescue`` interface is set to ``agent``.
 
-* The following properties are also required in node object’s
+* The following properties are also required in node object's
   ``driver_info`` if ``ilo-pxe`` boot interface is used:
 
   - ``deploy_kernel``: The glance UUID or a HTTP(S) URL of the deployment kernel.
diff --git a/doc/source/admin/drivers/irmc.rst b/doc/source/admin/drivers/irmc.rst
index 1e7cf6a548..5fbf4ae509 100644
--- a/doc/source/admin/drivers/irmc.rst
+++ b/doc/source/admin/drivers/irmc.rst
@@ -112,7 +112,7 @@ Node configuration
 ^^^^^^^^^^^^^^^^^^
 
 * Each node is configured for ``irmc`` hardware type by setting the following
-  ironic node object’s properties:
+  ironic node object's properties:
 
   - ``driver_info/irmc_address`` property to be ``IP address`` or
     ``hostname`` of the iRMC.
@@ -172,7 +172,7 @@ Node configuration
     Optional.
 
 * Each node can be further configured by setting the following ironic
-  node object’s properties which override the parameter values in
+  node object's properties which override the parameter values in
   ``[irmc]`` section of ``/etc/ironic/ironic.conf``:
 
   - ``driver_info/irmc_port`` property overrides ``port``.
diff --git a/doc/source/contributor/code-contribution-guide.rst b/doc/source/contributor/code-contribution-guide.rst
index 1a7c50914b..2d273b682f 100644
--- a/doc/source/contributor/code-contribution-guide.rst
+++ b/doc/source/contributor/code-contribution-guide.rst
@@ -93,7 +93,7 @@ Feature Submission Process
    <https://storyboard.openstack.org/#!/project/943>`_.
    There are two fields that must be filled: 'Title' and
    'Description'. 'Tasks' can be added and are associated with a project.
-   If you can’t describe it in a sentence or two, it may mean that you are
+   If you can't describe it in a sentence or two, it may mean that you are
    either trying to capture more than one RFE at once, or that you are having
    a hard time defining what you are trying to solve at all. This may also be
    a sign that your feature may require a specification document.