diff --git a/src/docs/part1/simple_detector.md b/src/docs/part1/simple_detector.md
index 7acbf47b16e24cd2ceb689349ecfda7be1bed7bd..1cdae34a5c15267eceb8a6b2694adc9e342996e9 100644
--- a/src/docs/part1/simple_detector.md
+++ b/src/docs/part1/simple_detector.md
@@ -43,7 +43,7 @@ directories named compact (but not always).
 ### Compile the detector library
 
 ```bash
-cmake -B build -DCMAKE_INSTALL_PREFIX=../local/ -S . -DCMAKE_CXX_STANDARD=17
+cmake -B build -S . -DCMAKE_INSTALL_PREFIX=../local/ -DCMAKE_CXX_STANDARD=17
 cmake --build build -j4 -- install
 ```
 
diff --git a/src/docs/part2/adding_detectors.md b/src/docs/part2/adding_detectors.md
index c1e2d7ce078faf671d7532ccbcbc6ccba641a70f..59bf03b2ee87bb5dc07f9899c37ab743f7764308 100644
--- a/src/docs/part2/adding_detectors.md
+++ b/src/docs/part2/adding_detectors.md
@@ -16,9 +16,8 @@ cd part2
 ### Compile the detector library
 
 ```bash
-mkdir build
-cmake ../. -DCMAKE_INSTALL_PREFIX=../../local 
-make -j4 install
+cmake -B build -S . -DCMAKE_INSTALL_PREFIX=../local/ -DCMAKE_CXX_STANDARD=17
+cmake --build build -j4 -- install
 ```