Chore(DPxAI): fix format

subjects/DPxAI/play-with-variables/README.md

@@ -46,7 +46,7 @@ console.log("I keep trying , I can't give up! ");
 // Output: I keep trying, I can't give up!
 ```
 
-#### `**Prompt Example**:`
+#### **`Prompt Example`**:
 
 "As a beginner, how do I include special characters in a string in JavaScript? Give me simple examples too."
 
@@ -66,7 +66,7 @@ But it is still possible to use the = (assignment operator) to change its value!
 
 > Also you may find online old code using var. We are trying to get rid of `var`s since 2015. It's ancient syntax and it was pretty problematic. Never use it! If you see code using it, try to find a more recent example. That one is outdated.
 
-#### `**Prompt Example**:`
+#### **`Prompt Example`**:
 
 - "As a beginner, what is the difference between let and `const` in JavaScript?"
 - "As a beginner, how do I reassign a value to an already declared variable in JavaScript?"