Fixup docs

CONTRIBUTING.md

@@ -16,7 +16,7 @@ Any code that is added must:
 * Be backward compatible with the existing exposed go API
 * Have zero external dependencies
 * Preserve existing benchmark performance
-* Preserve compatibility with existing decoding behavior of `Unmarshal()` or `UnmarshalStrict()`
+* Preserve compatibility with existing decoding behavior of `UnmarshalCaseSensitivePreserveInts()` or `UnmarshalStrict()`
 * Avoid use of `unsafe`
 
 ## Getting Started

README.md

@@ -9,7 +9,7 @@ It provides case-sensitive, integer-preserving JSON unmarshaling functions based
 
 ## Compatibility
 
-The `Unmarshal()` function behaves like `encoding/json#Unmarshal()` with the following differences:
+The `UnmarshalCaseSensitivePreserveInts()` function behaves like `encoding/json#Unmarshal()` with the following differences:
 
 - JSON object keys are treated case-sensitively.
   Object keys must exactly match json tag names (for tagged struct fields)
@@ -21,7 +21,7 @@ The `Unmarshal()` function behaves like `encoding/json#Unmarshal()` with the fol
 
 ## Additional capabilities
 
-The `UnmarshalStrict()` function decodes identically to `Unmarshal()`,
+The `UnmarshalStrict()` function decodes identically to `UnmarshalCaseSensitivePreserveInts()`,
 and also returns non-fatal strict errors encountered while decoding:
 
 - Duplicate fields encountered