Correcting typo in the User Documentation (#14326)

This corrects a simple typo in the Pricing rule topic for documentation
diff --git a/erpnext/docs/user/manual/en/accounts/pricing-rule.md b/erpnext/docs/user/manual/en/accounts/pricing-rule.md
index c4a3eb9..02c6c8b 100644
--- a/erpnext/docs/user/manual/en/accounts/pricing-rule.md
+++ b/erpnext/docs/user/manual/en/accounts/pricing-rule.md
@@ -11,7 +11,7 @@
 
 3. Items categorized under specific Item Group has same selling or buying price.
 
-4. Customers balonging to specific Customer Group should get ### selling price, ot % of Discount on Items.
+4. Customers balonging to specific Customer Group should get ### selling price, or % of Discount on Items.
 
 5. Supplier's categorized under specific Supplier Type should have ### buying rate applied.
 
@@ -106,4 +106,4 @@
 
 For more details about pricing rule [Click Here](/docs/user/manual/en/selling/articles/adding-margin.html)
 
-<!-- markdown -->
\ No newline at end of file
+<!-- markdown -->