Index: wp-admin/includes/class-wp-plugin-install-list-table.php
===================================================================
--- wp-admin/includes/class-wp-plugin-install-list-table.php	(revision 38116)
+++ wp-admin/includes/class-wp-plugin-install-list-table.php	(working copy)
@@ -563,6 +563,8 @@
 					<?php
 					if ( $plugin['active_installs'] >= 1000000 ) {
 						$active_installs_text = _x( '1+ Million', 'Active plugin installs' );
+					} elseif ( $plugin['active_installs'] == 0 ) {
+						$active_installs_text = _x( 'Less Than 10', 'Active plugin installs' );
 					} else {
 						$active_installs_text = number_format_i18n( $plugin['active_installs'] ) . '+';
 					}
Index: wp-admin/includes/plugin-install.php
===================================================================
--- wp-admin/includes/plugin-install.php	(revision 38116)
+++ wp-admin/includes/plugin-install.php	(working copy)
@@ -561,6 +561,8 @@
 				<li><strong><?php _e( 'Active Installs:' ); ?></strong> <?php
 					if ( $api->active_installs >= 1000000 ) {
 						_ex( '1+ Million', 'Active plugin installs' );
+					} elseif ( $api->active_installs == 0 ) {
+						_ex( 'Less Than 10', 'Active plugin installs' );
 					} else {
 						echo number_format_i18n( $api->active_installs ) . '+';
 					}