minor edits to 1.0.1 release notes

Author: eddelbuettel

inst/NEWS.Rd

@@ -14,7 +14,7 @@
       \item \code{Shelter} increases count only on non-null objects
       (Dirk in \ghpr{940} as suggested by Stepan Sindelar in \ghit{935}).
       \item \code{AttributeProxy::set()} and a few related setters get
-      \code{Shiled<>} to ensure rchk is happy (Romain in \ghpr{947})
+      \code{Shield<>} to ensure \code{rchk} is happy (Romain in \ghpr{947}
       fixing \ghit{946}).
     }
     \item Changes in Rcpp Attributes:
@@ -23,8 +23,8 @@
       \item Fixed an issue where 'stale' symbols could become registered in
       RcppExports.cpp, leading to linker errors and other related issues
       (Kevin in \ghpr{939} fixing \ghit{733} and \ghit{934}).
-      \item The wrapper macro gets an \code{UNPROTECT} to ensure rchk is
-      happy (Romain in \ghpr{949}) fixing \ghit{948}).
+      \item The wrapper macro gets an \code{UNPROTECT} to ensure \code{rchk}
+      is happy (Romain in \ghpr{949}) fixing \ghit{948}).
     }
     \item Changes in Rcpp Documentation:
     \itemize{