tracks/lua/exercises/rectangles/README.md in trackler-2.2.1.47 vs tracks/lua/exercises/rectangles/README.md in trackler-2.2.1.48

@@ -1,59 +1,59 @@
 # Rectangles
 
 Count the rectangles in an ASCII diagram like the one below.
 
-```
+```text
    +--+
   ++  |
 +-++--+
 |  |  |
 +--+--+
 ```
 
 The above diagram contains 6 rectangles:
 
-```
+```text
 
 
 +-----+
 |     |
 +-----+
 ```
 
-```
+```text
    +--+
    |  |
    |  |
    |  |
    +--+
 ```
 
-```
+```text
    +--+
    |  |
    +--+
 
 
 ```
 
-```
+```text
        
        
    +--+
    |  |
    +--+
 ```
 
-```
+```text
        
        
 +--+
 |  |
 +--+
 ```
 
-```
+```text
        
   ++   
   ++