diff --git a/ironic/drivers/modules/irmc/boot.py b/ironic/drivers/modules/irmc/boot.py
index e23ee49610..f36df670a4 100644
--- a/ironic/drivers/modules/irmc/boot.py
+++ b/ironic/drivers/modules/irmc/boot.py
@@ -87,7 +87,7 @@ COMMON_PROPERTIES.update(OPTIONAL_PROPERTIES)
 
 
 def _is_image_href_ordinary_file_name(image_href):
-    """Check if image_href is a ordinary file name.
+    """Check if image_href is an ordinary file name.
 
     This method judges if image_href is an ordinary file name or not,
     which is a file supposed to be stored in share file system.