diff --git a/docs/source/tools/usgscsm_cam_test.rst b/docs/source/tools/usgscsm_cam_test.rst
index c78d63f6d86f84940abe972f8ca5deda60b249b1..f07eb0d35cfcf1c1bc401225f6258054ad01ea65 100644
--- a/docs/source/tools/usgscsm_cam_test.rst
+++ b/docs/source/tools/usgscsm_cam_test.rst
@@ -8,7 +8,7 @@ It can perform several operations involving CSM camera models, such as:
 
  - Export the camera as a model state file
 
- - Compute projections from pixels in the camera to the ground and back, and measure the discepancy with the original pixels.
+ - Compute projections from pixels in the camera to the ground and back, and measure the discrepancy with the original pixels.
 
 Example (load a camera model and save the model state)::