Built-in and WikiHelp incorrectly describe the Ctrl+0 shortcut: "Ctrl+0 (zero) Apply Default paragraph style" http://opengrok.libreoffice.org/xref/help/source/text/swriter/04/01020000.xhp#380 That should be changed to "Ctrl+0 (zero) Apply Text Body paragraph style"
Adolfo Jayme Barrientos committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/help/commit/?id=fe617af636ad6b2a9b0b45d290a7d23604624733 tdf#100445 Fix name of style applied on Ctrl+0
Adolfo Jayme Barrientos committed a patch related to this issue. It has been pushed to "libreoffice-5-2": http://cgit.freedesktop.org/libreoffice/help/commit/?id=9bb675b1f2e47338be07252e78f680b7d2f64d0d&h=libreoffice-5-2 tdf#100445 Fix name of style applied on Ctrl+0