[gnome-shell] test-theme: Fix a comment

[Florian Müllner <fmuellner src gnome org>]

commit 5ac6201d9100bc3d4214ad3f73324c10414756ef
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Jun 8 17:39:13 2018 +0200

    test-theme: Fix a comment

 src/st/test-theme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/st/test-theme.c b/src/st/test-theme.c
index c02a2bf46..dfc26a5e9 100644
--- a/src/st/test-theme.c
+++ b/src/st/test-theme.c
@@ -396,7 +396,7 @@ test_background (void)
   /* text1 inherits the background image but not the color */
   assert_background_color (text1,  "text1",  0x00000000);
   assert_background_image (text1,  "text1",  "st/some-background.png");
-  /* text1 inherits inherits both, but then background: none overrides both */
+  /* text2 inherits both, but then background: none overrides both */
   assert_background_color (text2,  "text2",  0x00000000);
   assert_background_image (text2,  "text2",  NULL);
   /* background-image property */