Update tests/cases/fourslash/codeFixMissingTypeAnnotationOnExports52-gerenrics-oversimplification.ts

Fix typo

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>

Author: blickly

tests/cases/fourslash/codeFixMissingTypeAnnotationOnExports52-gerenrics-oversimplification.ts

@@ -2,7 +2,7 @@
 
 // In the abstract, we might prefer the inferred return type annotation to
 // be identical to the parameter type (with 2 type parameters).
-// Our current heursitic to avoid overly complex types in this case creates
+// Our current heuristic to avoid overly complex types in this case creates
 // "overly simple" types, but this tradeoff seems reasonable.
 
 // @isolatedDeclarations: true