Update .github/CODEOWNERS

Author: msimberg

.github/CODEOWNERS

@@ -1,6 +1,6 @@
 * @bcumming @msimberg @RMeli
 docs/services/firecrest @jpdorsch @ekouts
 docs/software/communication @msimberg
-docs/software/devtools/linaro @jpghpc
+docs/software/devtools/linaro @jgphpc
 docs/software/prgenv/linalg.md @finkandreas @msimberg
 docs/software/sciapps/cp2k.md @abussy @RMeli