diff --git src/wp-includes/functions.wp-scripts.php src/wp-includes/functions.wp-scripts.php
index 765fe92..e88a622 100644
--- src/wp-includes/functions.wp-scripts.php
+++ src/wp-includes/functions.wp-scripts.php
@@ -91,9 +91,9 @@ function wp_print_scripts( $handles = false ) {
 /**
  * Adds extra code to a registered script.
  *
- * Code will only be added if the script in already in the queue.
- * Accepts a string $data containing the Code. If two or more code blocks
- * are added to the same script $handle, they will be printed in the order
+ * Code will only be added if the script is already in the queue.
+ * Accepts a string `$data` containing the Code. If two or more code blocks
+ * are added to the same script `$handle`, they will be printed in the order
  * they were added, i.e. the latter added code can redeclare the previous.
  *
  * @since 4.5.0
diff --git src/wp-includes/functions.wp-styles.php src/wp-includes/functions.wp-styles.php
index 3b7f20b..51a9049 100644
--- src/wp-includes/functions.wp-styles.php
+++ src/wp-includes/functions.wp-styles.php
@@ -67,9 +67,9 @@ function wp_print_styles( $handles = false ) {
 /**
  * Add extra CSS styles to a registered stylesheet.
  *
- * Styles will only be added if the stylesheet in already in the queue.
- * Accepts a string $data containing the CSS. If two or more CSS code blocks
- * are added to the same stylesheet $handle, they will be printed in the order
+ * Styles will only be added if the stylesheet is already in the queue.
+ * Accepts a string `$data` containing the CSS. If two or more CSS code blocks
+ * are added to the same stylesheet `$handle`, they will be printed in the order
  * they were added, i.e. the latter added styles can redeclare the previous.
  *
  * @see WP_Styles::add_inline_style()