diff --git a/.gitignore b/.gitignore
index d02fbe7e6e130e64358b0657f06d1318b38b52fd..4841a4d4b71235763a09ab31d4e862fc621a8529 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 .sass-cache*
 Gemfile.lock
 _site*
+*.swp
 .travis.yml
diff --git a/_modules/filter_neighbourhood.md b/_modules/filter_neighbourhood.md
index 6fb9a0968ec8ba3cf022ed06264f8d80a7454aff..a2238994d4891f7579353323acc56d4c42a6b746 100644
--- a/_modules/filter_neighbourhood.md
+++ b/_modules/filter_neighbourhood.md
@@ -8,22 +8,21 @@ objectives:
 motivation: >
   This module explains how image features (objects) can be enhanced using filters
 
-
-|   |   |   |   |   |   |   |   |
-|---|---|---|---|---|---|---|---|
-| NC  | NC  | NC  |   |   |   |   |   |
-| NC  | C, NC  | NC  |   |   |   |   |   |
-| NC  | NC  | NC  |   |   |   |   |   |
-|   |   |   |   | NB  | NB  | NB  |   |
-|   |   |   |   |  NB | B, NB| NB  |   |
-|   |   |   |   |  NB |  NB |  NB |   |
-|   |   |   |   |   |   |   |   |
+#|   |   |   |   |   |   |   |   |
+#|---|---|---|---|---|---|---|---|
+#| NC  | NC  | NC  |   |   |   |   |   |
+#| NC  | C, NC  | NC  |   |   |   |   |   |
+#| NC  | NC  | NC  |   |   |   |   |   |
+#|   |   |   |   | NB  | NB  | NB  |   |
+#|   |   |   |   |  NB | B, NB| NB  |   |
+#|   |   |   |   |  NB |  NB |  NB |   |
+#|   |   |   |   |   |   |   |   |
 
 concept_map: >
   graph TB
-	P(pixel) --> |has| NBH(neighbourhood pixels) 
-	NBH --> |are used in| A(mathematical formula)
-	A --> |compute new| NP(pixel value) 
+    P(pixel) --> |has| NBH(neighbourhood pixels) 
+    NBH --> |are used in| A(mathematical formula)
+    A --> |compute new| NP(pixel value) 
 
 # figure: /figures/binarization.png
 # figure_legend: Image before and after binarization by applying a threshold.
@@ -33,7 +32,7 @@ activity_preface: >
 
 activities:
 
-  "ImageJ GUI": "filter_nighbourhood/activities/mean_filter_imagejgui.md"
+  "ImageJ GUI": "filter_neighbourhood/activities/mean_filter_imagejgui.md"
 #  "ImageJ Macro":
 #  "Jython":
 #  "MATLAB":
@@ -53,4 +52,4 @@ learn_next:
 
 external_links:
 
----
\ No newline at end of file
+---