diff --git a/Programming-Guide.md b/Programming-Guide.md
index b3daa8b..8359bb2 100644
--- a/Programming-Guide.md
+++ b/Programming-Guide.md
@@ -146,7 +146,7 @@ Ctx.INSTANCE.clear();
 ## Ephemeral Named Contexts
 
 You can create multiple independent, **ephemeral contexts**, each identified by a unique name.
-These contexts behave like isolated key–value stores:
+These contexts behave like isolated key-value stores:
 
 - They are created lazily on first access.
 - They live only as long as you keep a reference to them.