diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for PyF
 
+## 0.8.1.1 -- 2019-10-13
+
+- Compatibility with GHC 8.8
+
 ## 0.8.1.0 -- 2019-09-03
 
 - Precision can now be any arbitrary haskell expression, such as `[fmt|hello pi = {pi:.{1 + 3}}|]`.
diff --git a/PyF.cabal b/PyF.cabal
--- a/PyF.cabal
+++ b/PyF.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                PyF
-version:             0.8.1.0
+version:             0.8.1.1
 synopsis: Quasiquotations for a python like interpolated string formater
 description: Quasiquotations for a python like interpolated string formater.
 license:             BSD-3-Clause
@@ -21,7 +21,7 @@
                   PyF.Formatters
 
   build-depends:       base >= 4.9 && < 5.0
-                     , template-haskell >= 2.11 && < 2.15
+                     , template-haskell >= 2.14 && < 2.16
 
                      -- Parsec and some transitive deps
                      , megaparsec >= 7.0 && < 8.0
diff --git a/Readme.md b/Readme.md
--- a/Readme.md
+++ b/Readme.md
@@ -14,8 +14,8 @@
 >>> name = "Dave"
 >>> age = 54
 
->>> [fmt|Person's name is {name}, age is {age:x}|]
-"Person's name is Dave, age is 36"
+>>> [fmt|Person's name is {name}, age is {age}|]
+"Person's name is Dave, age is 54"
 ```
 
 The formatting mini language can represent:
@@ -47,11 +47,11 @@
 "||Guillaume||"
 ```
 
-Padding inside `=` the sign:
+Padding inside `=` the sign
 
 ```haskell
->>> [fmt|{-pi:=10.3}|]
-"-    3.142"
+>>> [fmt|{-3:=6}|]
+"-    3"
 ```
 
 ## Float rounding
@@ -61,15 +61,17 @@
 "3.14"
 ```
 
-## Binary / Octal / Hex representation (with or without prefix)
+## Binary / Octal / Hex representation (with or without prefix using `#`)
 
 ```haskell
 >>> v = 31
 >>> [fmt|Binary: {v:#b}|]
 "Binary: 0b11111"
->>> [fmt|Octal (no prefix): {age:o}|]
+>>> [fmt|Octal: {v:#o}|]
+"Octal: 0o37"
+>>> [fmt|Octal (no prefix): {v:o}|]
 "Octal (no prefix): 37"
->>> [fmt|Hexa (caps and prefix): {age:#X}|]
+>>> [fmt|Hexa (caps and prefix): {v:#X}|]
 "Hexa (caps and prefix): 0x1F"
 ```
 
@@ -91,8 +93,12 @@
 ```haskell
 >>> [fmt|{pi:+.3}|]
 "+3.142"
+>>> [fmt|{-pi:+.3} (Negative number)|]
+"-3.142 (Negative number)"
 >>> [fmt|{pi: .3}|]
 " 3.142"
+>>> [fmt|{-pi: .3} (Negative number)|]
+"-3.142 (Negative number)"
 ```
 
 ## 0
@@ -100,6 +106,8 @@
 Preceding the width with a `0` enables sign-aware zero-padding, this is equivalent to inside `=` padding with a fill char of `0`.
 
 ```haskell
+>>> [f{10:010}|]
+0000000010
 >>> [f{-10:010}|]
 -000000010
 ```
@@ -110,7 +118,7 @@
 
 ```haskell
 >>> [fmt|2pi = {2* pi:.2}|]
-6.28
+2pi = 6.28
 >>> [fmt|tail "hello" = {tail "hello":->6}|]
 "tail \"hello\" = --ello"
 ```
diff --git a/src/PyF/Formatters.hs b/src/PyF/Formatters.hs
--- a/src/PyF/Formatters.hs
+++ b/src/PyF/Formatters.hs
@@ -43,7 +43,6 @@
 )
 where
 
-import Data.Monoid ((<>))
 import Data.List (intercalate)
 import Data.Char (toUpper, chr)
 import qualified Numeric