diff --git a/files/tags.toml b/files/tags.toml
index 1566edd..1cfb8b4 100644
--- a/files/tags.toml
+++ b/files/tags.toml
@@ -96,3 +96,11 @@ content = """
 
 Its **low-level control over memory** and **lack of hidden control flow**, whilst retaining **simplicity** and **flexibility**, makes building _fast_ software (in development time as well) relatively easier.
 """
+
+[lookbehinds]
+keywords = ["lookbehinds", "regex", "jsc", "discord.js"]
+content = """
+Bun (i.e. JavaScriptCore) does not currently support regex lookbehinds. ([#314](<https://github.com/oven-sh/bun/issues/314>))
+
+If you need to use lookbehinds, you can use an alternative. Read more [here](<https://stackoverflow.com/questions/7376238/javascript-regex-look-behind-alternative>) 
+"""