diff --git a/PYPI_README.md b/PYPI_README.md
index dfb9f91..dbe23b2 100644
--- a/PYPI_README.md
+++ b/PYPI_README.md
@@ -73,7 +73,7 @@ box.plot()
 ```
 
 Histogram
-```
+```python
 from MatPlus import Histogram
 import numpy as np
 
@@ -83,7 +83,7 @@ hist.plot()
 ```
 
 Stem Plot
-```
+```python
 from MatPlus import StemPlot
 import numpy as np
 
diff --git a/README.md b/README.md
index cdd2b35..9c9e676 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ box.plot()
 ```
 
 Histogram
-```
+```python
 from MatPlus import Histogram
 import numpy as np
 
@@ -83,7 +83,7 @@ hist.plot()
 ```
 
 Stem Plot
-```
+```python
 from MatPlus import StemPlot
 import numpy as np