Update `firstDeferEndPos` name

Clarify intended contents.

1 files changed, 1 insertions, 1 deletions

diff --git a/defererr.go b/defererr.go
index 837fa90..e25ede7 100644
--- a/defererr.go
+++ b/defererr.go
@@ -74,7 +74,7 @@ func checkFunctions(pass *analysis.Pass, node ast.Node) {
 			// Idea: Set this to the end token.Pos of the first `defer`
 			// closure. Look for `return`s after that in funcDecl.Body and
 			// ensure they include the error variable.
-			firstDeferEndPos := -1
+			firstErrorDeferEndPos := -1
 
 			// Is it possible to generalise this to other types, and look for
 			// anything set in `defer` with the same type as a result in the