Fix broken link to mappings-exceptions
@@ -105,7 +105,7 @@ coarse-grained part-of-speech tags and morphological features.
that the verb is past tense (e.g. `VBD` for a past tense verb in the Penn
Treebank) .
2. For words whose coarse-grained POS is not set by a prior process, a
- [mapping table](#mapping-exceptions) maps the fine-grained tags to a
+ [mapping table](#mappings-exceptions) maps the fine-grained tags to a
coarse-grained POS tags and morphological features.
```python
