diff --git a/README.md b/README.md
index 7703899..159f7b0 100644
--- a/README.md
+++ b/README.md
@@ -10,11 +10,19 @@
 
 ### Try Online
 
-Run the following command in your shell to try `forgit` without installing(for both `bash` and `zsh`):
+Run the following command in your shell to try `forgit` without installing:
+
+##### Bash and ZSH 
+
 ``` bash
 source <(curl -Ss https://raw.githubusercontent.com/wfxr/forgit/master/forgit.plugin.zsh)
 ```
+##### Fish
+``` fish
+source (curl -Ss https://raw.githubusercontent.com/wfxr/forgit/master/forgit.plugin.fish | psub)
+```
 
+### Installation using a ZSH Plugin manager
 ### [Zplug](https://github.com/zplug/zplug)
 ``` zsh
 zplug 'wfxr/forgit'
@@ -30,9 +38,9 @@ zgen load 'wfxr/forgit'
 antigen bundle 'wfxr/forgit'
 ```
 
-### Manually
+### Manual Installation
 
-Download and source `forgit.plugin.zsh` or `forgit.plugin.sh` in your shell config.
+Download and source `forgit.plugin.zsh`, `forgit.plugin.sh`, or `forgit.plugin.fish` in your shell config.
 
 ## Commands
 
diff --git a/forgit.plugin.zsh b/forgit.plugin.zsh
index 40ae1eb..0b9e66e 100755
--- a/forgit.plugin.zsh
+++ b/forgit.plugin.zsh
@@ -1,4 +1,5 @@
 # MIT (c) Wenxuan Zhang
+hash fzf > /dev/null 2>&1 || {echo "FZF not found and is requried for forgit" && return 1}
 
 forgit::warn() { printf "%b[Warn]%b %s\n" '\e[0;33m' '\e[0m' "$@" >&2; }
 forgit::info() { printf "%b[Info]%b %s\n" '\e[0;32m' '\e[0m' "$@" >&2; }