diff --git a/Preferences/Typing Pairs: Disable _ for Raw.plist b/Preferences/Typing Pairs: Disable _ for Raw.plist
index 89fd99a..74868ed 100644
--- a/Preferences/Typing Pairs: Disable _ for Raw.plist	
+++ b/Preferences/Typing Pairs: Disable _ for Raw.plist	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>name</key>
@@ -14,6 +14,10 @@
 				<string>"</string>
 				<string>"</string>
 			</array>
+			<array>
+				<string>'</string>
+				<string>'</string>
+			</array>
 			<array>
 				<string>(</string>
 				<string>)</string>
diff --git a/Syntaxes/Markdown Redcarpet.tmLanguage b/Syntaxes/Markdown Redcarpet.tmLanguage
index 315f003..e2b7f6d 100644
--- a/Syntaxes/Markdown Redcarpet.tmLanguage	
+++ b/Syntaxes/Markdown Redcarpet.tmLanguage	
@@ -231,7 +231,7 @@
 				<key>fenced_block_ruby</key>
 				<dict>
 					<key>begin</key>
-					<string>(^|\G)([`]{3})[ ]*ruby$</string>
+					<string>(^|\G)([`]{3})[ ]*(?:rb|ruby)$</string>
 					<key>end</key>
 					<string>(^|\G)([`]{3})($|\z)</string>
 					<key>name</key>