diff --git a/README.md b/README.md
index bd79d569dd1eeacdd6751e76c1cf4a0472e4cdee..8716edec18b80f496ed49ca9da4c2e6f0bc3e1fb 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ PKG(ExampleAlg
 
 An `**algorithm**` is defined as a `c++ class` like
 
-```c++=
+```c++
 // Similar to JUNO Offline, this line will register the algorithm
 DECLARE_ALGORITHM(ExampleAlg);
 // The *Alg class must inherit from AlgBase
@@ -74,7 +74,7 @@ Similar to `ExampleAlg`, the folders, CMakeLists.txt and \_\_init\_\_.py should
 
 A `**tool**` is defined as a `c++ class` too.
 
-```c++=
+```c++
 DECLARE_TOOL(ExampleTool);
 
 class ExampleTool : public AnaTool, public ToolBase {