diff --git a/docs/sources/reference/builder.md b/docs/sources/reference/builder.md
index 680fe2642f..80035c1e9d 100644
--- a/docs/sources/reference/builder.md
+++ b/docs/sources/reference/builder.md
@@ -409,7 +409,7 @@ optional but default, you could use a `CMD` instruction:
 
     FROM ubuntu
     CMD ["-l"]
-    ENTRYPOINT ["/usr/bin/ls"]
+    ENTRYPOINT ["ls"]
 
 > **Note**:
 > It is preferable to use the JSON array format for specifying