Fix typo podman run doc in flag -pid=mode "efault"

Signed-off-by: paranlee <[email protected]>

docs/source/markdown/podman-run.1.md

@@ -714,7 +714,7 @@ Override the OS, defaults to hosts, of the image to be pulled. For example, `win
 #### **--pid**=*mode*
 
 Set the PID namespace mode for the container.
-The efault is to create a private PID namespace for the container.
+The default is to create a private PID namespace for the container.
 
 - **container:**_id_: join another container's PID namespace;
 - **host**: use the host's PID namespace for the container. Note the host mode gives the container full access to local PID and is therefore considered insecure;