Merge pull request #297 from zama-ai/docs/fix-typo-visibility

docs: fixed typo on variable visibility

docs/howto/pitfalls.md

@@ -58,7 +58,7 @@ contract C {
 }
 ```
 
-In this last snippet, the `internal` keyword could have been omitted (state variables are private by default) or alternatively have been replaced by `private`.
+In this last snippet, the `internal` keyword could have been omitted (state variables are internal by default) or alternatively have been replaced by `private`.
 
 ## Protect access of view functions using reencryptions