diff --git a/examples/01_pet_geometry/03_run_block_scanner.py b/examples/01_pet_geometry/03_run_block_scanner.py
index 2dc9b789..78cde1ef 100644
--- a/examples/01_pet_geometry/03_run_block_scanner.py
+++ b/examples/01_pet_geometry/03_run_block_scanner.py
@@ -115,7 +115,7 @@
 # Once the geometry of the LOR endpoints is defined, we can define the LORs
 # by specifying which block pairs are in coincidence and for "valid" LORs.
 # To do this, we have manually define a list containing pairs of block numbers.
-# Here, we define 12 block pairs. Note that more paris would be possible.
+# Here, we define 12 block pairs. Note that more pairs would be possible.
 
 lor_desc = parallelproj.EqualBlockPETLORDescriptor(
     scanner,
diff --git a/examples/02_pet_sinogram_projections/03_run_equalblock_projector.py b/examples/02_pet_sinogram_projections/03_run_equalblock_projector.py
index de729995..5ebc20ad 100755
--- a/examples/02_pet_sinogram_projections/03_run_equalblock_projector.py
+++ b/examples/02_pet_sinogram_projections/03_run_equalblock_projector.py
@@ -104,7 +104,7 @@
 # Once the geometry of the LOR endpoints is defined, we can define the LORs
 # by specifying which block pairs are in coincidence and for "valid" LORs.
 # To do this, we have manually define a list containing pairs of block numbers.
-# Here, we define 9 block pairs. Note that more paris would be possible.
+# Here, we define 9 block pairs. Note that more pairs would be possible.
 
 lor_desc = parallelproj.EqualBlockPETLORDescriptor(
     scanner,