diff --git a/config.toml b/config.toml
index c7195c8e..d8cc2ef2 100644
--- a/config.toml
+++ b/config.toml
@@ -4,24 +4,39 @@ cache_url = "https://Gaetan-007.github.io/MyArxiv/cache.json"
 
 [[sources]]
 limit = 150
-category = "cs.DC"
-title = "Distributed, Parallel, and Cluster Computing"
+category = "cs.AR"
+title = "Hardware Architecturea"
 
 [[sources]]
 limit = 150
-category = "cs.AR"
-title = "Hardware Architecturea"
+category = "cs.DC"
+title = "Distributed, Parallel, and Cluster Computing"
 
 [[sources]]
 limit = 150
 category = "cs.PL"
 title = "Programming and Languages"
 
+[[sources]]
+limit = 150
+category = "cs.PF"
+title = "Performance Profiling"
+
 [[sources]]
 limit = 150
 category = "cs.OS"
 title = "Operation Systems"
 
+[[sources]]
+limit = 150
+category = "cs.CC"
+title = "Computational Complexity"
+
+[[sources]]
+limit = 150
+category = "cs.FL"
+title = "Formal Languages and Automata Theory"
+
 [[sources]]
 limit = 150
 category = "cs.LO"