diff --git a/.gitattributes b/.gitattributes
index 188d994..6c3f333 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,7 +1,7 @@
 # Line normalisation, GitHub language detection
 * text=auto linguist-detectable
 
-# These don't feel like mine'
+# These don't feel like mine
 _config.yml/** text=auto -linguist-detectable
 _data/** text=auto -linguist-detectable
 _includes/** text=auto -linguist-detectable
@@ -9,6 +9,13 @@ _layouts/** text=auto -linguist-detectable
 _matrix/** text=auto -linguist-detectable
 _sass/** text=auto -linguist-detectable
 
+# Unnecessary for statistics
+Gemfile text linguist-vendored
+Gemfile.lock text linguist-generated
+
+# Signature files misdetected as "Standard ML"
+*.sig text -linguist-detectable
+
 # LFS
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
diff --git a/PGP/.gitattributes b/PGP/.gitattributes
new file mode 100644
index 0000000..bb2ad32
--- /dev/null
+++ b/PGP/.gitattributes
@@ -0,0 +1 @@
+*.txt text linguist-language=Public-Key
diff --git a/blog/.gitattributes b/blog/.gitattributes
new file mode 100644
index 0000000..5c92059
--- /dev/null
+++ b/blog/.gitattributes
@@ -0,0 +1 @@
+*.xml text -linguist-detectable