Index: class-wp-plugin-install-list-table.php
===================================================================
--- class-wp-plugin-install-list-table.php	(revision 26349)
+++ class-wp-plugin-install-list-table.php	(working copy)
@@ -223,7 +223,11 @@
 			$version = wp_kses( $plugin['version'], $plugins_allowedtags );
 
 			$name = strip_tags( $title . ' ' . $version );
-
+			if ( strlen( $title ) > 70 ) {
+				$tb_name = substr( $title, 0, 70 ). '... '. $version;
+			} else {
+				$tb_name = $name;
+			}
 			$author = $plugin['author'];
 			if ( ! empty( $plugin['author'] ) )
 				$author = ' <cite>' . sprintf( __( 'By %s' ), $author ) . '.</cite>';
@@ -233,7 +237,7 @@
 			$action_links = array();
 			$action_links[] = '<a href="' . self_admin_url( 'plugin-install.php?tab=plugin-information&amp;plugin=' . $plugin['slug'] .
 								'&amp;TB_iframe=true&amp;width=600&amp;height=550' ) . '" class="thickbox" title="' .
-								esc_attr( sprintf( __( 'More information about %s' ), $name ) ) . '">' . __( 'Details' ) . '</a>';
+								esc_attr( sprintf( __( 'More information about %s' ), $tb_name ) ) . '">' . __( 'Details' ) . '</a>';
 
 			if ( current_user_can( 'install_plugins' ) || current_user_can( 'update_plugins' ) ) {
 				$status = install_plugin_install_status( $plugin );