diff --git a/subjects/Computer Science/unit4.json b/subjects/Computer Science/unit4.json
index 7604594..5e3f092 100644
--- a/subjects/Computer Science/unit4.json	
+++ b/subjects/Computer Science/unit4.json	
@@ -57,7 +57,7 @@
     },
     {
         "term": "Data bus",
-        "meaning": "The data bus carries data throughout the computer system"
+        "meaning": "The bus that carries data throughout the computer system"
     },
     {
         "term": "Defragmentation",