Fixed Spelling Issue

Rhys Elsmore · Rhys Elsmore · commit 3919c7d81594 · 2013-02-24T21:03:56.000+11:00
diff --git a/docs/scenarios/speed.rst b/docs/scenarios/speed.rst
@@ -61,7 +61,7 @@ The GIL
 `Special care`_ must be taken when writing C extensions to make sure you r
 egister your threads with the interpreter.
 
-C Extentions
+C Extensions
 ::::::::::::
 
 
