diff --git a/doc_src/cmds/math.rst b/doc_src/cmds/math.rst
index d7882d3f4..c0634962b 100644
--- a/doc_src/cmds/math.rst
+++ b/doc_src/cmds/math.rst
@@ -123,7 +123,7 @@ Functions
     These will throw away any non-integer parts and interpret the rest as an int.
 
     Note: ``bitnot`` and ``bitnand`` don't exist. This is because numbers in math don't really have a *width* in terms of bits,
-    and tehse operations necessarily care about leading zeroes.
+    and these operations necessarily care about leading zeroes.
 
     If you need to negate a specific number you can do it with an xor with a mask, e.g.::