diff --git src/wp-includes/category-template.php src/wp-includes/category-template.php
index 8bba6b4..32cd3a6 100644
--- src/wp-includes/category-template.php
+++ src/wp-includes/category-template.php
@@ -836,7 +836,7 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
 	} elseif ( ! empty( $args['topic_count_text_callback'] ) ) {
 		// Look for the alternative callback style. Ignore the previous default.
 		if ( $args['topic_count_text_callback'] === 'default_topic_count_text' ) {
-			$translate_nooped_plural = _n_noop( '%s topic', '%s topics' );
+			$translate_nooped_plural = _n_noop( '%s post', '%s posts' );
 		} else {
 			$translate_nooped_plural = false;
 		}
@@ -845,7 +845,7 @@ function wp_generate_tag_cloud( $tags, $args = '' ) {
 		$translate_nooped_plural = _n_noop( $args['single_text'], $args['multiple_text'] );
 	} else {
 		// This is the default for when no callback, plural, or argument is passed in.
-		$translate_nooped_plural = _n_noop( '%s topic', '%s topics' );
+		$translate_nooped_plural = _n_noop( '%s post', '%s posts' );
 	}
 
 	/**