Fix a typo.
diff --git a/progs/demos/fbo_firecube.c b/progs/demos/fbo_firecube.c
index 0f01476..ed87dd1 100644
--- a/progs/demos/fbo_firecube.c
+++ b/progs/demos/fbo_firecube.c
@@ -99,7 +99,7 @@
     "GL_RGB GL_UNSIGNED_INT_5_6_5",
     "GL_RGB GL_UNSIGNED_INT_5_6_5_REV",
     "GL_BGR GL_UNSIGNED_INT_5_6_5",
-    "BL_BGR GL_UNSIGNED_INT_5_6_5_REV"};
+    "GL_BGR GL_UNSIGNED_INT_5_6_5_REV"};