diff --git a/doc/conf.py b/doc/conf.py
index 0560d2c30..7bae041fa 100755
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -255,7 +255,7 @@ def __getattr__(cls, name):
 
 # Spelling check
 
-spelling_ignore_pypi_package_names = True
+spelling_ignore_pypi_package_names = False
 
 linkcheck_anchors_ignore = [
     'truncate',