diff --git a/docs/source/installation.rst b/docs/source/installation.rst
index 3380da818b1b6ae432c4b4fffe07e47579d19d77..73bf035232f63845762e74845ab259c4b50fe725 100644
--- a/docs/source/installation.rst
+++ b/docs/source/installation.rst
@@ -19,7 +19,7 @@ Support for spherical harmonic transforms is added via::
 
     pip3 install --user git+https://gitlab.mpcdf.mpg.de/ift/pyHealpix.git
 
-Support for the radio interferometry gridder is added via:
+Support for the radio interferometry gridder is added via::
 
     pip3 install git+https://gitlab.mpcdf.mpg.de/ift/nifty_gridder.git