diff --git a/source/additional_information/shared_line_appearance.md b/source/additional_information/shared_line_appearance.md
index 7294f0d9..51b10069 100644
--- a/source/additional_information/shared_line_appearance.md
+++ b/source/additional_information/shared_line_appearance.md
@@ -1,6 +1,6 @@
 # Shared Line Appearance
 
-Shared Line Apprearance(SLA) also known in older phone systems as a
+Shared Line Appearance (SLA) also known in older phone systems as a
 \"Key System\".
 
 ## FusionPBX Settings