diff --git a/INSTALL.md b/INSTALL.md
index cf2d3956..5104b527 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -93,7 +93,7 @@ Create an environment with required dependancies:
 
     conda create -n ostap-req-env root_base root-binaries root-dependencies gsl  future configparser  numpy scipy pathos dill multiprocess ppft terminaltables binutils-meta c-compiler compilers cxx-compiler fortran-compiler python ipython cmake
 
-If you computer has insntalled Berkeley-DB (`libdb`) and you are usinng `python3`, it is desirable also  to add `bsddb3` in the list
+If you computer has installed Berkeley-DB (`libdb`) and you are using `python3`, it is desirable also  to add `bsddb3` in the list
 
 Activate the  environment  with requirement packages: