diff --git a/hub/RECOGNIZED_FUNTIONS_AND_USAGES.md b/hub/RECOGNIZED_FUNTIONS_AND_USAGES.md
index 107ba6f2..518b2ecc 100644
--- a/hub/RECOGNIZED_FUNTIONS_AND_USAGES.md
+++ b/hub/RECOGNIZED_FUNTIONS_AND_USAGES.md
@@ -1,21 +1,16 @@
 # Functions and usages internally recognized within the hub
 
-The hub uses a list of building functions a building usages that are the only ones recognized. All new categories should be added to the dictionaries that translate from the input formats to the libs functions. From the libs functions to the libs usages and from the libs usages and libs functions to the output formats.
+The hub uses a list of building functions that are the only ones recognized. All new categories should be added to the dictionaries that translate from the input formats to the hub functions and from the hub functions to the output formats.
  
-Input formats accepted:
-* Function:
-    * pluto
-    * hft
-
 Output formats accepted:
 * Function:
     * nrel
     * nrcan
+    * eilat
 * Usage:
-    * ca
-    * hft
+    * nrcan
     * comnet
-    * Eilat
+    * eilat
 
 Libs_functions:
 * single family house