diff --git a/content/post/bit-magic/index.md b/content/post/bit-magic/index.md
index bd240b1..39628f0 100644
--- a/content/post/bit-magic/index.md
+++ b/content/post/bit-magic/index.md
@@ -2,7 +2,7 @@
 # Documentation: https://sourcethemes.com/academic/docs/managing-content/
 
 title: "Bit magic in C (and C++)"
-subtitle: ""
+subtitle: "Tips and trick for embedded C/C++"
 summary: "Tips and trick for embedded C/C++"
 authors: []
 tags: []