diff --git a/docs/intro.dox b/docs/intro.dox
index 6f0a2291..2de6abe1 100644
--- a/docs/intro.dox
+++ b/docs/intro.dox
@@ -249,11 +249,12 @@ functions may be called from any thread:
  - @ref glfwGetTimerFrequency
  - @ref glfwGetTimerValue
 
-The regular timer may be queried from any thread, but this is not synchronized
-by GLFW with calls to @ref glfwSetTime.  The following timer related functions
-may be called from any thread:
+The regular timer may be used from any thread, but the reading and writing of
+the timer offset is not synchronized by GLFW.  The following timer related
+functions may be called from any thread:
 
  - @ref glfwGetTime
+ - @ref glfwSetTime
 
 Library version information may be queried from any thread.  The following
 version related functions may be called from any thread: