diff --git a/lib/linguist/heuristics.rb b/lib/linguist/heuristics.rb
index e342e616..2002d51b 100644
--- a/lib/linguist/heuristics.rb
+++ b/lib/linguist/heuristics.rb
@@ -155,12 +155,12 @@ module Linguist
     end
 
     disambiguate "AsciiDoc", "AGS Script", "Public Key" do |data|
-      if /^[=-]+(\s|\n)|{{[A-Za-z]/.match(data)
+      if /^(----[- ]BEGIN|ssh-(rsa|dss)) /.match(data)
+        Language["Public Key"]
+      elsif /^[=-]+(\s|\n)|{{[A-Za-z]/.match(data)
         Language["AsciiDoc"]
       elsif /^(\/\/.+|((import|export)\s+)?(function|int|float|char)\s+((room|repeatedly|on|game)_)?([A-Za-z]+[A-Za-z_0-9]+)\s*[;\(])/.match(data)
         Language["AGS Script"]
-      elsif /^-----BEGIN/.match(data)
-        Language["Public Key"]
       end
     end
 
diff --git a/samples/AsciiDoc/list.asc b/samples/AsciiDoc/list.asc
index 066d14fc..3d93ade1 100644
--- a/samples/AsciiDoc/list.asc
+++ b/samples/AsciiDoc/list.asc
@@ -1,6 +1,9 @@
 AsciiDoc Home Page
 ==================
 
+Title
+-----
+
 Example Articles
 ~~~~~~~~~~~~~~~~
 - Item 1
diff --git a/samples/Public Key/id_dsa.asc b/samples/Public Key/id_dsa.asc
new file mode 100644
index 00000000..dc568f9d
--- /dev/null
+++ b/samples/Public Key/id_dsa.asc	
@@ -0,0 +1 @@
+ssh-dss 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 lars@junk
diff --git a/samples/Public Key/id_rsa.asc b/samples/Public Key/id_rsa.asc
new file mode 100644
index 00000000..4c936646
--- /dev/null
+++ b/samples/Public Key/id_rsa.asc	
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQCw3QQtYgRViVH8ZpkQ2A7BuCeyPYC4hB9kKNhxwUfJ2hFgW8soGMBhsLN+vOeAJ2IXDMsezJO2/qhoZFQMvHoWpWTRTLPeNtBsKD+nhOZX28A4D+QRzVZ6hdWoh9W+mIP69MIT3aX35oLb86IycbNdRJlEK4FAUt7tjezNkU7boQ== root@use1-2.nitrousbox.com
diff --git a/samples/Public Key/sshkey1.asc b/samples/Public Key/sshkey1.asc
new file mode 100644
index 00000000..ce491bc3
--- /dev/null
+++ b/samples/Public Key/sshkey1.asc	
@@ -0,0 +1,7 @@
+---- BEGIN SSH2 PUBLIC KEY ----
+Subject: galb
+Comment: 1024-bit rsa, created by galb@shimi Mon Jan 15 08:31:24 2001
+AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt459
+6k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6
+NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=
+---- END SSH2 PUBLIC KEY ----
diff --git a/test/test_heuristics.rb b/test/test_heuristics.rb
index b3197c69..4a156445 100644
--- a/test/test_heuristics.rb
+++ b/test/test_heuristics.rb
@@ -77,7 +77,7 @@ class TestHeuristcs < Minitest::Test
     assert_heuristics({
       "AsciiDoc" => "AsciiDoc/list.asc",
       "AGS Script" => "AGS Script/GlobalScript.asc",
-      "Public Key" => "Public Key/sunCert.asc"
+      "Public Key" => all_fixtures("Public Key", "*.asc")
     })
   end