fix: minor spacing typo in message for PTH123 (#2453)

README.md

@@ -1266,7 +1266,7 @@ For more, see [flake8-use-pathlib](https://pypi.org/project/flake8-use-pathlib/)
 | PTH120 | pathlib-dirname | `os.path.dirname` should be replaced by `.parent` |  |
 | PTH121 | pathlib-samefile | `os.path.samefile` should be replaced by `.samefile()` |  |
 | PTH122 | pathlib-splitext | `os.path.splitext` should be replaced by `.suffix` |  |
-| PTH123 | pathlib-open | `open("foo")` should be replaced by`Path("foo").open()` |  |
+| PTH123 | pathlib-open | `open("foo")` should be replaced by `Path("foo").open()` |  |
 | PTH124 | pathlib-py-path | `py.path` is in maintenance mode, use `pathlib` instead |  |
 
 ### eradicate (ERA)

src/rules/flake8_use_pathlib/violations.rs

@@ -263,7 +263,7 @@ define_violation!(
 impl Violation for PathlibOpen {
     #[derive_message_formats]
     fn message(&self) -> String {
-        format!("`open(\"foo\")` should be replaced by`Path(\"foo\").open()`")
+        format!("`open(\"foo\")` should be replaced by `Path(\"foo\").open()`")
     }
 }