diff --git a/README.md b/README.md
index 9a92cd70e..41ec35bd4 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,8 @@ For a more detailed description, and dependencies, visit [How to Build Transmiss
     $ cd transmission-3.00
     $ mkdir build
     $ cd build
-    $ # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimized binary.
+    # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimzed binary with debug information. (preferred)
+    # Use -DCMAKE_BUILD_TYPE=Release to build full optimized binary.
     $ cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
     $ make
     $ sudo make install
@@ -53,7 +54,8 @@ If you're new to building programs from source code, this is typically easier th
     $ git submodule update --init --recursive
     $ mkdir build
     $ cd build
-    $ # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimized binary.
+    # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimzed binary with debug information. (preferred)
+    # Use -DCMAKE_BUILD_TYPE=Release to build full optimized binary.
     $ cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
     $ make
     $ sudo make install
@@ -65,7 +67,8 @@ If you're new to building programs from source code, this is typically easier th
     $ git submodule foreach --recursive git clean -xfd
     $ git pull --rebase --prune
     $ git submodule update --recursive
-    $ # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimized binary.
+    # Use -DCMAKE_BUILD_TYPE=RelWithDebInfo to build optimzed binary with debug information. (preferred)
+    # Use -DCMAKE_BUILD_TYPE=Release to build full optimized binary.
     $ cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
     $ make
     $ sudo make install