Fix documentation of dis.opmap direction.
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index 8e57dd4..b6f1d9f 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -115,7 +115,7 @@
 
 .. data:: opmap
 
-   Dictionary mapping bytecodes to operation names.
+   Dictionary mapping operation names to bytecodes.
 
 
 .. data:: cmp_op