Update npm-semantic-versioning.en.md (nodejs#2769)

ahmedmohmd · ovflowd · web-flow · commit 2cfa1b721d45 · 2022-09-19T11:35:54.000+02:00
Co-authored-by: Claudio Wunder &lt;cwunder@gnome.org&gt;
diff --git a/content/learn/npm-semantic-versioning.en.md b/content/learn/npm-semantic-versioning.en.md
@@ -9,9 +9,9 @@ If there's one great thing in Node.js packages, it's that they all agreed on usi
 
 The Semantic Versioning concept is simple: all versions have 3 digits: `x.y.z`.
 
-* the first digit is the major version
-* the second digit is the minor version
-* the third digit is the patch version
+* the first digit `x` is the major version
+* the second digit `y` is the minor version
+* the third digit `z` is the patch version
 
 When you make a new release, you don't just up a number as you please, but you have rules:
 
@@ -27,8 +27,8 @@ Because `npm` set some rules we can use in the `package.json` file to choose whi
 
 The rules use these symbols:
 
-* `^`
-* `~`
+* `^`: Caret Character
+* `~`: Tilde Character
 * `>`
 * `>=`
 * `<`
