diff --git a/port/freebsd-netgraph/README.md b/port/freebsd-netgraph/README.md
index 296e6dbd7..456dfc7aa 100644
--- a/port/freebsd-netgraph/README.md
+++ b/port/freebsd-netgraph/README.md
@@ -13,7 +13,7 @@ functionality will be interrupted.
 
 ## Compilation
 
-BTstack's FeeeBSD port does not have additional dependencies. To compile the cmake project with make
+BTstack's FeeeBSD port does not have additional dependencies. To compile the cmake project with Make
 
     mkdir build
     cd build
@@ -22,9 +22,9 @@ BTstack's FeeeBSD port does not have additional dependencies. To compile the cma
 
 or using Ninja:
 
-    mkdir ninja
-    cd ninja
-    cmake ..
+    mkdir build
+    cd build
+    cmake -G Ninja ..
     ninja
 
 ## Running the examples
diff --git a/port/libusb/README.md b/port/libusb/README.md
index 15a6ff084..e2f5c899a 100644
--- a/port/libusb/README.md
+++ b/port/libusb/README.md
@@ -20,7 +20,7 @@ or using CMake + Ninja:
 
     mkdir build
     cd build
-    cmake -G Ninja
+    cmake -G Ninja ..
     ninja
 
 ## Environment Setup