diff --git a/docs/source/substitutions.py b/docs/source/substitutions.py
index 52cfbfaa9f..c482fde83d 100644
--- a/docs/source/substitutions.py
+++ b/docs/source/substitutions.py
@@ -165,7 +165,7 @@
 .. |SymplecticBasis| replace:: :class:`~pymor.algorithms.symplectic.SymplecticBasis`
 .. |CanonicalSymplecticFormOperator| replace:: :class:`~pymor.operators.symplectic.CanonicalSymplecticFormOperator`
 
-.. |RNG| replace:: :class:`~random number generator <pymor.tools.random.RNG>`
+.. |RNG| replace:: :class:`random number generator <pymor.tools.random.RNG>`
 '''
 
 substitutions = interfaces + common