diff -r cc75c76972ee -r c0432d11811c src/network/ssl/qsslsocket.cpp
--- a/src/network/ssl/qsslsocket.cpp	Wed Apr 21 12:15:23 2010 +0300
+++ b/src/network/ssl/qsslsocket.cpp	Wed Apr 21 20:15:53 2010 +0300
@@ -156,6 +156,16 @@
     is being encrypted and encryptedBytesWritten()
     will get emitted as soon as data has been written to the TCP socket.
 
+    \section1 Symbian Platform Security Requirements
+
+    On Symbian, processes which use this class must have the
+    \c NetworkServices platform security capability. If the client
+    process lacks this capability, operations will fail.
+
+    Platform security capabilities are added via the
+    \l{qmake-variable-reference.html#target-capability}{TARGET.CAPABILITY}
+    qmake variable.
+
     \sa QSslCertificate, QSslCipher, QSslError
 */