fixing menu

Author: niden

mkdocs.yml

@@ -720,7 +720,7 @@ nav:
     - Operators: operators.md
     - Operator Precedence: operator-precedence.md
     - Arrays: arrays.md
-    - Classed and Objects: oop.md
+    - Classes and Objects: oop.md
     - Built-in methods: builtin-methods.md
     - Control structures: control-structures.md
     - Exceptions: exceptions.md
@@ -737,4 +737,4 @@ nav:
     - Static analysis: static-analysis.md
     - Optimizations: optimizations.md
     - Compiler warnings: warnings.md
-  - Discussions: https://github.com/orgs/zephir-lang/discussions
+  - Discussions: https://github.com/orgs/zephir-lang/discussions