diff --git a/fmmd_concept/System_safety_2011/mybib.bib b/fmmd_concept/System_safety_2011/mybib.bib
index df5aa52..cb988ad 100644
--- a/fmmd_concept/System_safety_2011/mybib.bib
+++ b/fmmd_concept/System_safety_2011/mybib.bib
@@ -165,7 +165,7 @@
 
 @PHDTHESIS{maikowski,
     AUTHOR = "Leo M Maikowski",
-    TITLE = "Tolreranced Multiple Fault Diagnosis of Analog Circuits",
+    TITLE = "Toleranced Multiple Fault Diagnosis of Analog Circuits",
     SCHOOL = " Brighton University, School of Electrical Engineering",
     YEAR = "1995"
 }