fs: correct docs
@@ -69,28 +69,28 @@ It allows changing the filename suffix like:
```meson
original = '/opt/foo.ini'
-new = fs.with_suffix('.txt') # /opt/foo.txt
+new = fs.with_suffix(original, '.txt') # /opt/foo.txt
```
#### add suffix
```meson
original = '/opt/foo'
-new = fs.with_suffix('.txt') # /opt/foo.txt
+new = fs.with_suffix(original, '.txt') # /opt/foo.txt
```
#### compound suffix swap
```meson
original = '/opt/foo.dll.a'
-new = fs.with_suffix('.so') # /opt/foo.dll.so
+new = fs.with_suffix(original, '.so') # /opt/foo.dll.so
```
#### delete suffix
```meson
original = '/opt/foo.dll.a'
-new = fs.with_suffix('') # /opt/foo.dll
+new = fs.with_suffix(original, '') # /opt/foo.dll
```
The files need not actually exist yet for this method, as it's just string manipulation.
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