upgrade sphinx, fix grammar issues

doc/conf.py

@@ -78,7 +78,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:

doc/features/teller.rst

@@ -24,14 +24,14 @@ The Teller offers these methods:
 
 * operation
 
-    * ``absolute($amount) : string`` Returns an absoute monetary amount.
+    * ``absolute($amount) : string`` Returns an absolute monetary amount.
     * ``add($amount, $other, ...$others) : string`` Adds one or more monetary amounts to a monetary amount.
     * ``divide($amount, $divisor) : string`` Divides a monetary amount by a divisor.
-    * ``mod($amount, $divisor)`` Retuns the mod of one amount by another.
+    * ``mod($amount, $divisor)`` Returns the mod of one amount by another.
     * ``multiply($amount, $multiplier) : string`` Multiplies a monetary amount by a multiplier.
     * ``negative($amount) : string`` Negates a monetary amount.
     * ``ratioOf($amount, $other)`` Determines the ratio of one monetary amount to another.
-    * ``subtract($amount, $other, ...$others) : string`` Subracts one or more monetary amounts from a monetary amount.
+    * ``subtract($amount, $other, ...$others) : string`` Subtracts one or more monetary amounts from a monetary amount.
 
 * comparison
 

doc/requirements.txt

@@ -1,6 +1,6 @@
 git+https://github.com/fabpot/sphinx-php.git
-sphinx~=4.3.1
-sphinx-rtd-theme==1.0.0
+sphinx~=7.2.6
+sphinx-rtd-theme~=1.3.0
 git+https://github.com/markstory/sphinxcontrib-phpdomain.git
-sphinxcontrib-spelling==7.2.1
+sphinxcontrib-spelling==8.0.0
 pyenchant

doc/spelling_word_list.txt

@@ -1,5 +1,7 @@
 amongst
 integrations
+codebases
+formatter
 formatters
 eg
 Bitcoin