Fix doc using wrong function name a instead of getOne

docs/running_psalm/configuration.md

@@ -444,21 +444,21 @@ Allows you to hard-code the number of threads Psalm will use (similar to `--thre
   maxStringLength="1000"
 >
 ```
-This setting controls the maximum length of literal strings that will be transformed into a literal string type during Psalm analysis.  
-Strings longer than this value (by default 1000 bytes) will be transformed in a generic `non-empty-string` type, instead.  
+This setting controls the maximum length of literal strings that will be transformed into a literal string type during Psalm analysis.
+Strings longer than this value (by default 1000 bytes) will be transformed in a generic `non-empty-string` type, instead.
 
-Please note that changing this setting might introduce unwanted side effects and those side effects won't be considered as bugs.  
+Please note that changing this setting might introduce unwanted side effects and those side effects won't be considered as bugs.
 
 #### maxShapedArraySize
 ```xml
 <psalm
   maxShapedArraySize="100"
 >
 ```
-This setting controls the maximum size of shaped arrays that will be transformed into a shaped `array{key1: "value", key2: T}` type during Psalm analysis.  
-Arrays bigger than this value (100 by default) will be transformed in a generic `non-empty-array` type, instead.  
+This setting controls the maximum size of shaped arrays that will be transformed into a shaped `array{key1: "value", key2: T}` type during Psalm analysis.
+Arrays bigger than this value (100 by default) will be transformed in a generic `non-empty-array` type, instead.
 
-Please note that changing this setting might introduce unwanted side effects and those side effects won't be considered as bugs.  
+Please note that changing this setting might introduce unwanted side effects and those side effects won't be considered as bugs.
 
 #### restrictReturnTypes
 
@@ -474,20 +474,20 @@ the inferred return type.
 This code:
 ```php
 function getOne(): int // declared type: int
-{ 
+{
     return 1; // inferred type: 1 (int literal)
 }
 ```
 Will give this error: `LessSpecificReturnType - The inferred return type '1' for
-a is more specific than the declared return type 'int'`
+getOne is more specific than the declared return type 'int'`
 
 To fix the error, you should specify the more specific type in the doc-block:
 ```php
 /**
  * @return 1
  */
-function getOne(): int 
-{ 
+function getOne(): int
+{
     return 1;
 }
 ```