diff --git a/glossary.tex b/glossary.tex
index 27066354cf1a8799dca2ce5abb410ef34980e0f2..bebf408142960ef4cdab588e186e3c2e1dea8aed 100644
--- a/glossary.tex
+++ b/glossary.tex
@@ -91,7 +91,7 @@
 
 \newacronym[
   description={-- one of the characters run by the people playing the game},
-  prefix={an\space},
+  prefix={a\space},
   ]{pc}{PC}{Player Character}
 
 \newacronym[