diff --git a/utils/textmate/Syntaxes/Carbon.plist b/utils/textmate/Syntaxes/Carbon.plist
index a83cc8e15693f..5788ed893709e 100644
--- a/utils/textmate/Syntaxes/Carbon.plist
+++ b/utils/textmate/Syntaxes/Carbon.plist
@@ -82,9 +82,9 @@ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
                 <key>name</key>
                 <string>string.quoted.triple.carbon</string>
                 <key>begin</key>
-                <string>"""</string>
+                <string>'''</string>
                 <key>end</key>
-                <string>"""</string>
+                <string>'''</string>
 
                 <key>patterns</key>
                 <array>