diff --git a/pkgs/by-name/tw/twitterBootstrap/package.nix b/pkgs/by-name/tw/twitter-bootstrap/package.nix
similarity index 93%
rename from pkgs/by-name/tw/twitterBootstrap/package.nix
rename to pkgs/by-name/tw/twitter-bootstrap/package.nix
index 2736eac09470..4408d539ed7b 100644
--- a/pkgs/by-name/tw/twitterBootstrap/package.nix
+++ b/pkgs/by-name/tw/twitter-bootstrap/package.nix
@@ -3,7 +3,7 @@
   fetchzip,
 }:
 fetchzip (finalAttrs: {
-  pname = "bootstrap";
+  pname = "twitter-bootstrap";
   version = "5.3.8";
 
   url = "https://github.com/twbs/bootstrap/releases/download/v${finalAttrs.version}/bootstrap-${finalAttrs.version}-dist.zip";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 8823598b6f53..b08ddc737831 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1892,6 +1892,7 @@ mapAliases {
   trojita = throw "'trojita' has been dropped as it depends on KDE Gear 5, and is unmaintained"; # Added 2025-08-20
   trust-dns = throw "'trust-dns' has been renamed to/replaced by 'hickory-dns'"; # Converted to throw 2025-10-27
   tvbrowser-bin = throw "'tvbrowser-bin' has been renamed to/replaced by 'tvbrowser'"; # Converted to throw 2025-10-27
+  twitterBootstrap = warnAlias "'twitterBootstrap' has been renamed to 'twitter-bootstrap'"; # Added 2026-02-12
   typst-fmt = throw "'typst-fmt' has been renamed to/replaced by 'typstfmt'"; # Converted to throw 2025-10-27
   typstfmt = throw "'typstfmt' has been removed due to lack of upstream maintenance, consider using 'typstyle' instead"; # Added 2025-10-26
   uade123 = throw "'uade123' has been renamed to/replaced by 'uade'"; # Converted to throw 2025-10-27