diff --git a/docs/scenarios/scientific.rst b/docs/scenarios/scientific.rst
index 031721091..7f9a66cb3 100644
--- a/docs/scenarios/scientific.rst
+++ b/docs/scenarios/scientific.rst
@@ -43,8 +43,6 @@ Virtual Machine) (through special decorators).
 Briefly, Numba using system that compiles Python code with LLVM to code which 
 can be natively executed at runtime.
 
-.. todo:: Write about Numba
-
 SciPy
 -----
 
diff --git a/requirements.txt b/requirements.txt
index 663bd1f6a..f47f24596 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
-requests
\ No newline at end of file
+requests
+sphinx