diff --git a/docs/building.rst b/docs/building.rst
index 64821a21d..bac775d14 100644
--- a/docs/building.rst
+++ b/docs/building.rst
@@ -484,6 +484,12 @@ Other build options are:
 
 Options are set on the ``cmake`` command line with the ``-D`` option or later on using ``ccmake`` or ``cmake-gui`` applications. ``cmake`` run outputs a summary of all available options and their current values.
 
+.. note::
+
+	If you are linking statically against OpenSSL on Windows and not using ``-Dstatic_runtime=ON``,
+	you should additionally use the option ``-DOPENSSL_USE_STATIC_LIBS=ON``.
+	If you use ``-Dstatic_runtime=ON``, ``-DOPENSSL_USE_STATIC_LIBS=ON`` is implied.
+
 Step 2: Building libtorrent
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -647,4 +653,3 @@ in a command shell::
 
 This will also install the headers and library files in the visual studio directories to
 be picked up by libtorrent.
-