Fix typo in template (#84)

Author: hugovk

README.md

@@ -86,7 +86,7 @@ The template for the `blurb add` message looks like this:
 
     #
     # Uncomment one of these "section:" lines to specify which section
-    # this entry should go in in Misc/NEWS.
+    # this entry should go in Misc/NEWS.
     #
     #.. section: Security
     #.. section: Core and Builtins

src/blurb/_template.py

@@ -14,7 +14,7 @@
 
 #
 # Uncomment one of these "section:" lines to specify which section
-# this entry should go in in Misc/NEWS.d.
+# this entry should go in Misc/NEWS.d.
 #
 #.. section: Security
 #.. section: Core and Builtins