diff --git a/README.md b/README.md
index 52722fc..0390b32 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,14 @@ https://github.com/dvorka/hstr/releases
 
 INSTALLATION
 ------------
-* bind `hh` to a key and/or add it to $PATH
-* bind `hh` to a BASH key by adding a line to your `.bashrc`, e.g. Ctrl-R:
+* add 
+
+     `shopt -s histappend`
+     `export PROMPT_COMMAND="history -a; history -n; ${PROMPT_COMMAND}"`
+
+  at the end of `.bashrc` in order to ensure that BASH history of commands 
+  will be kept in sync with filesystem.
+* bind `hh` to a BASH key by adding a line to `.bashrc`, e.g. Ctrl-R:
 
     `bind '"\C-r": "\C-k\C-uhh\C-j"'`
 
@@ -32,8 +38,8 @@ INSTALLATION
 
   To determine the character sequence emitted by a pressed key in terminal, 
   type CTRL-v and then press the key. For example, F12 gives `^[[24~`. 
-  Replace the `^[` with `\e`. To clear the line first, add `\C-k \C-u` in front of 
-  the actual command. Check your current bindings using:
+  Replace the `^[` with `\e`. To clear the line first, add `\C-k \C-u` in 
+  front of the actual command. Check your current bindings using:
 
     `bind -S`
 
diff --git a/src/hstr_history.c b/src/hstr_history.c
index cde4a97..1d57aa3 100644
--- a/src/hstr_history.c
+++ b/src/hstr_history.c
@@ -115,16 +115,9 @@ void free_prioritized_history() {
 	// TODO free(prioritizedHistory);
 }
 
-void flush_history() {
-	const char *filename = "history";
-	char *const args[1] = {"-a"};
-	execvp(filename, args);
-}
-
 HistoryItems *get_history_items() {
 	history=(HistoryItems *)malloc(sizeof(HistoryItems));
 
-	flush_history();
 	using_history();
 
 	char *historyFile = getenv(ENV_VAR_HISTFILE);