diff --git a/antigen.zsh b/antigen.zsh
index df925ef..907a90e 100644
--- a/antigen.zsh
+++ b/antigen.zsh
@@ -398,8 +398,18 @@ antigen-use () {
 }
 
 # For backwards compatibility.
-antigen-lib () { -antigen-use-oh-my-zsh; echo "'antigen-lib' is deprecated and will soon be removed. Use 'antigen-use oh-my-zsh' instead."}
-antigen-prezto-lib () { -antigen-use-prezto; echo "'antigen-prezto-lib' is deprecated and will soon be removed. Use 'antigen-use prezto' instead."}
+antigen-lib () {
+    -antigen-use-oh-my-zsh
+    echo '`antigen-lib` is deprecated and will soon be removed.'
+    echo 'Use `antigen-use oh-my-zsh` instead.'
+}
+
+# For backwards compatibility.
+antigen-prezto-lib () {
+    -antigen-use-prezto
+    echo '`antigen-prezto-lib` is deprecated and will soon be removed.'
+    echo 'Use `antigen-use prezto` instead.'
+}
 
 antigen-theme () {