You could try this plugin: https://en-ca.wordpress.org/plugins/say-what/
The string is: ← Previous
Text domain: wp-show-posts
Other one is: Next →
Text domain: wp-show-posts
You could try this plugin: https://en-ca.wordpress.org/plugins/say-what/
The string is: ← Previous
Text domain: wp-show-posts
Other one is: Next →
Text domain: wp-show-posts