fix: other typos

Author: dbale-altoros

docs/rules.md

@@ -41,7 +41,7 @@ title:       "Rule Index of Solhint"
 | [named-parameters-mapping](./rules/naming/named-parameters-mapping.md)               | Solidity v0.8.18 introduced named parameters on the mappings definition.                                      |              |             |
 | [private-vars-leading-underscore](./rules/naming/private-vars-leading-underscore.md) | Non-external functions and state variables should start with a single underscore. Others, shouldn't           |              |             |
 | [use-forbidden-name](./rules/naming/use-forbidden-name.md)                           | Avoid to use letters 'I', 'l', 'O' as identifiers.                                                            | $~~~~~~~~$✔️ |             |
-| [var-name-mixedcase](./rules/naming/var-name-mixedcase.md)                           | Variable name must be in mixedCase. (Does not check IMMUTABLES, use immutable-vars-naming)                    | $~~~~~~~~$✔️ |             |
+| [var-name-mixedcase](./rules/naming/var-name-mixedcase.md)                           | Variable names must be in mixedCase. (Does not check IMMUTABLES, use immutable-vars-naming)                   | $~~~~~~~~$✔️ |             |
 | [func-order](./rules/order/func-order.md)                                            | Function order is incorrect.                                                                                  |              | $~~~~~~~$✔️ |
 | [imports-on-top](./rules/order/imports-on-top.md)                                    | Import statements must be on top.                                                                             | $~~~~~~~~$✔️ |             |
 | [ordering](./rules/order/ordering.md)                                                | Check order of elements in file and inside each contract, according to the style guide.                       |              |             |

docs/rules/naming/var-name-mixedcase.md

@@ -12,7 +12,7 @@ title:       "var-name-mixedcase | Solhint"
 
 
 ## Description
-Variable name must be in mixedCase. (Does not check IMMUTABLES, use immutable-vars-naming)
+Variable names must be in mixedCase. (Does not check IMMUTABLES, use immutable-vars-naming)
 
 ## Options
 This rule accepts a string option of rule severity. Must be one of "error", "warn", "off". Defaults to warn.