diff --git a/Gemfile.lock b/Gemfile.lock
index 400ee27b..b1bfc14b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    one_gadget (1.3.4.1)
+    one_gadget (1.3.5)
       elftools (~> 0.2)
 
 GEM
diff --git a/lib/one_gadget/abi.rb b/lib/one_gadget/abi.rb
index 262697a1..5b5b0262 100644
--- a/lib/one_gadget/abi.rb
+++ b/lib/one_gadget/abi.rb
@@ -6,7 +6,7 @@ module ClassMethods
       # Registers in i386.
       LINUX_X86_32 = %w(eax ebx ecx edx edi esi ebp esp).freeze
       # Registers in x86_64/
-      LINUX_X86_64 = LINUX_X86_32 + %w(rax rbx rcx rdx rdi rsi rbp rsp) + 7.upto(15).map { |i| "r#{i}" }
+      LINUX_X86_64 = LINUX_X86_32 + %w(rax rbx rcx rdx rdi rsi rbp rsp) + 8.upto(15).map { |i| "r#{i}" }
       # Registers' name in amd64.
       # @return [Array<String>] List of registers.
       def amd64
diff --git a/lib/one_gadget/version.rb b/lib/one_gadget/version.rb
index 77ed1798..d2a24231 100644
--- a/lib/one_gadget/version.rb
+++ b/lib/one_gadget/version.rb
@@ -1,4 +1,4 @@
 module OneGadget
   # Current gem version.
-  VERSION = '1.3.4.1'.freeze
+  VERSION = '1.3.5'.freeze
 end
diff --git a/one_gadget.gemspec b/one_gadget.gemspec
index ed6590c8..312d75db 100644
--- a/one_gadget.gemspec
+++ b/one_gadget.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
 
   This gem provides such gadget finder, no need to use IDA-pro every time like a fool :p.
 
-  Typing `one_gadget filename` in terminal and having fun!
+  Typing `one_gadget /path/to/libc` in terminal and having fun!
   EOS
   s.license       = 'MIT'
   s.authors       = ['david942j']