diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 58dc569b80..b07f4e5bc8 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -2898,7 +2898,11 @@ function media_upload_max_image_resize() {
  * @since 3.5.0
  */
 function multisite_over_quota_message() {
-	echo '<p>' . sprintf( __( 'Sorry, you have used all of your storage quota of %s MB.' ), get_space_allowed() ) . '</p>';
+	echo '<p>' . sprintf(
+		/* translators: %s: allowed space allocation */
+		__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
+		size_format( get_space_allowed() * MB_IN_BYTES )
+	) . '</p>';
 }
 
 /**
diff --git a/wp-admin/includes/ms-deprecated.php b/wp-admin/includes/ms-deprecated.php
index 4a06e66c6e..811fda7481 100644
--- a/wp-admin/includes/ms-deprecated.php
+++ b/wp-admin/includes/ms-deprecated.php
@@ -16,7 +16,7 @@
  * @deprecated 3.0.0
  */
 function wpmu_menu() {
-	_deprecated_function(__FUNCTION__, '3.0.0' );
+	_deprecated_function( __FUNCTION__, '3.0.0' );
 	// Deprecated. See #11763.
 }
 
@@ -27,10 +27,15 @@ function wpmu_menu() {
  * @see is_upload_space_available()
  */
 function wpmu_checkAvailableSpace() {
-	_deprecated_function(__FUNCTION__, '3.0.0', 'is_upload_space_available()' );
+	_deprecated_function( __FUNCTION__, '3.0.0', 'is_upload_space_available()' );
 
-	if ( !is_upload_space_available() )
-		wp_die( __('Sorry, you must delete files before you can upload any more.') );
+	if ( ! is_upload_space_available() ) {
+		wp_die( sprintf(
+			/* translators: %s: allowed space allocation */
+			__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
+			size_format( get_space_allowed() * MB_IN_BYTES )
+		) );
+	}
 }
 
 /**
@@ -39,7 +44,7 @@ function wpmu_checkAvailableSpace() {
  * @deprecated 3.0.0
  */
 function mu_options( $options ) {
-	_deprecated_function(__FUNCTION__, '3.0.0' );
+	_deprecated_function( __FUNCTION__, '3.0.0' );
 	return $options;
 }
 
@@ -50,7 +55,7 @@ function mu_options( $options ) {
  * @see activate_plugin()
  */
 function activate_sitewide_plugin() {
-	_deprecated_function(__FUNCTION__, '3.0.0', 'activate_plugin()' );
+	_deprecated_function( __FUNCTION__, '3.0.0', 'activate_plugin()' );
 	return false;
 }
 
@@ -61,7 +66,7 @@ function activate_sitewide_plugin() {
  * @see deactivate_plugin()
  */
 function deactivate_sitewide_plugin( $plugin = false ) {
-	_deprecated_function(__FUNCTION__, '3.0.0', 'deactivate_plugin()' );
+	_deprecated_function( __FUNCTION__, '3.0.0', 'deactivate_plugin()' );
 }
 
 /**
@@ -71,7 +76,7 @@ function deactivate_sitewide_plugin( $plugin = false ) {
  * @see is_network_only_plugin()
  */
 function is_wpmu_sitewide_plugin( $file ) {
-	_deprecated_function(__FUNCTION__, '3.0.0', 'is_network_only_plugin()' );
+	_deprecated_function( __FUNCTION__, '3.0.0', 'is_network_only_plugin()' );
 	return is_network_only_plugin( $file );
 }
 
diff --git a/wp-admin/includes/ms.php b/wp-admin/includes/ms.php
index 4cae500402..4a2934b875 100644
--- a/wp-admin/includes/ms.php
+++ b/wp-admin/includes/ms.php
@@ -226,7 +226,11 @@ function upload_is_user_over_quota( $echo = true ) {
 
 	if ( ( $space_allowed - $space_used ) < 0 ) {
 		if ( $echo ) {
-			_e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' );
+			printf(
+				/* translators: %s: allowed space allocation */
+				__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
+				size_format( $space_allowed * MB_IN_BYTES )
+			);
 		}
 		return true;
 	} else {
@@ -1002,7 +1006,7 @@ function confirm_delete_users( $users ) {
 	endif;
 
 	submit_button( __( 'Confirm Deletion' ), 'primary' );
-	?>
+?>
 	</form>
 	<?php
 	return true;
diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php
index 923a98884f..cf1666fff5 100644
--- a/wp-includes/class-wp-xmlrpc-server.php
+++ b/wp-includes/class-wp-xmlrpc-server.php
@@ -6234,7 +6234,14 @@ class wp_xmlrpc_server extends IXR_Server {
 		}
 
 		if ( is_multisite() && upload_is_user_over_quota( false ) ) {
-			$this->error = new IXR_Error( 401, __( 'Sorry, you have used your space allocation.' ) );
+			$this->error = new IXR_Error(
+				401,
+				sprintf(
+					/* translators: %s: allowed space allocation */
+					__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
+					size_format( get_space_allowed() * MB_IN_BYTES )
+				)
+			);
 			return $this->error;
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2cb067d396..080f67f185 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-beta1-45081';
+$wp_version = '5.2-beta1-45082';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.