diff --git a/bf.html.markdown b/bf.html.markdown
index adc58f02..3955d802 100644
--- a/bf.html.markdown
+++ b/bf.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: bf.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/cs-cz/bf.html.markdown b/cs-cz/bf.html.markdown
index 8d451964..007fb0d3 100644
--- a/cs-cz/bf.html.markdown
+++ b/cs-cz/bf.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
- ["Mathias Bynens", "http://mathiasbynens.be/"]
diff --git a/de-de/bf-de.html.markdown b/de-de/bf-de.html.markdown
index ae7d7007..84e79ae8 100644
--- a/de-de/bf-de.html.markdown
+++ b/de-de/bf-de.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
- ["Mathias Bynens", "http://mathiasbynens.be/"]
diff --git a/es-es/bf-es.html.markdown b/es-es/bf-es.html.markdown
index 0769e2a7..17b0cbeb 100644
--- a/es-es/bf-es.html.markdown
+++ b/es-es/bf-es.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: bf-es.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/fa-ir/bf-fa.html.markdown b/fa-ir/bf-fa.html.markdown
index 81c73980..70632095 100644
--- a/fa-ir/bf-fa.html.markdown
+++ b/fa-ir/bf-fa.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: bf-fa.bf
contributors:
- ["Mohammad Valipour", "https://github.com/mvalipour"]
diff --git a/fr-fr/bf-fr.html.markdown b/fr-fr/bf-fr.html.markdown
index 0fae6032..1ab642f4 100644
--- a/fr-fr/bf-fr.html.markdown
+++ b/fr-fr/bf-fr.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbrainfuck-fr.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/id-id/bf-id.html.markdown b/id-id/bf-id.html.markdown
index bf2f6a09..58f2b664 100644
--- a/id-id/bf-id.html.markdown
+++ b/id-id/bf-id.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: brainfuck-id.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/it-it/bf-it.html.markdown b/it-it/bf-it.html.markdown
index 97c4aec4..d3122ffb 100644
--- a/it-it/bf-it.html.markdown
+++ b/it-it/bf-it.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbf-it.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/ko-kr/bf-kr.html.markdown b/ko-kr/bf-kr.html.markdown
index 5849d2fd..20812375 100644
--- a/ko-kr/bf-kr.html.markdown
+++ b/ko-kr/bf-kr.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbf-kr.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/nl-nl/bf.html.markdown b/nl-nl/bf.html.markdown
index 8cb06471..ce5983c1 100644
--- a/nl-nl/bf.html.markdown
+++ b/nl-nl/bf.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbf-nl.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/pl-pl/bf-pl.html.markdown b/pl-pl/bf-pl.html.markdown
index 09c85362..e04a20a5 100644
--- a/pl-pl/bf-pl.html.markdown
+++ b/pl-pl/bf-pl.html.markdown
@@ -1,6 +1,6 @@
---
category: language
-language: bf
+language: BF
filename: learnbf-pl.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/pt-br/bf-pt.html.markdown b/pt-br/bf-pt.html.markdown
index 53baa9a2..bc30dae2 100644
--- a/pt-br/bf-pt.html.markdown
+++ b/pt-br/bf-pt.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbf-pt.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/pt-pt/bf-pt.html.markdown b/pt-pt/bf-pt.html.markdown
index 6e4c7b47..106202e5 100644
--- a/pt-pt/bf-pt.html.markdown
+++ b/pt-pt/bf-pt.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: brainfuck-pt.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/ro-ro/bf-ro.html.markdown b/ro-ro/bf-ro.html.markdown
index 0713bda7..6c1b288d 100644
--- a/ro-ro/bf-ro.html.markdown
+++ b/ro-ro/bf-ro.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
- ["Mathias Bynens", "http://mathiasbynens.be/"]
diff --git a/ru-ru/bf.html.markdown b/ru-ru/bf.html.markdown
index d2e74e8f..68c3dfef 100644
--- a/ru-ru/bf.html.markdown
+++ b/ru-ru/bf.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: learnbf-ru.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/sv-se/bf-sv.html.markdown b/sv-se/bf-sv.html.markdown
index b96c1839..1bc2eff3 100644
--- a/sv-se/bf-sv.html.markdown
+++ b/sv-se/bf-sv.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: brainfuck-sv.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]
diff --git a/tr-tr/bf-tr.html.markdown b/tr-tr/bf-tr.html.markdown
index ef46f362..23b6d5ef 100644
--- a/tr-tr/bf-tr.html.markdown
+++ b/tr-tr/bf-tr.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: brainfuck-tr.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io"]
diff --git a/zh-cn/bf-cn.html.markdown b/zh-cn/bf-cn.html.markdown
index b6cc9be0..bb4b4df5 100644
--- a/zh-cn/bf-cn.html.markdown
+++ b/zh-cn/bf-cn.html.markdown
@@ -1,5 +1,5 @@
---
-language: bf
+language: BF
filename: brainfuck-cn.bf
contributors:
- ["Prajit Ramachandran", "http://prajitr.github.io/"]