diff --git a/app/streaming/session.cpp b/app/streaming/session.cpp
index e894c4ee..040f34af 100644
--- a/app/streaming/session.cpp
+++ b/app/streaming/session.cpp
@@ -797,10 +797,12 @@ bool Session::validateLaunch(SDL_Window* testWindow)
         emitLaunchWarning(tr("An attached gamepad has no mapping and won't be usable. Visit the Moonlight help to resolve this."));
     }
 
-    // NVENC will fail to initialize when using dimensions over 4096 and H.264.
+    // NVENC will fail to initialize when any dimension exceeds 4096 using:
+    // - H.264 on all versions of NVENC
+    // - HEVC prior to Pascal
     //
-    // However, if we aren't using Nvidia hosting software, don't assume anything
-    // about H.264 capabilities by using HEVC Main10 support. It will likely be wrong.
+    // However, if we aren't using Nvidia hosting software, don't assume anything about
+    // encoding capabilities by using HEVC Main 10 support. It will likely be wrong.
     if ((m_StreamConfig.width > 4096 || m_StreamConfig.height > 4096) && m_Computer->isNvidiaServerSoftware) {
         // Pascal added support for 8K HEVC encoding support. Maxwell 2 could encode HEVC but only up to 4K.
         // We can't directly identify Pascal, but we can look for HEVC Main10 which was added in the same generation.