diff --git a/poky/meta/conf/documentation.conf b/poky/meta/conf/documentation.conf
index fc6d008..550df20 100644
--- a/poky/meta/conf/documentation.conf
+++ b/poky/meta/conf/documentation.conf
@@ -125,7 +125,7 @@
 DATE[doc] = "The date the build was started using YMD format."
 DATETIME[doc] = "The date and time the build was started."
 DEBUG_BUILD[doc] = "Specifies to build packages with debugging information. This influences the value of the SELECTED_OPTIMIZATION variable."
-DEBUG_OPTIMIZATION[doc] = "The options to pass in TARGET_CFLAGS and CFLAGS when compiling a system for debugging. This variable defaults to '-O -fno-omit-frame-pointer ${DEBUG_FLAGS} -pipe'."
+DEBUG_OPTIMIZATION[doc] = "The options to pass in TARGET_CFLAGS and CFLAGS when compiling a system for debugging. This variable defaults to '-Og ${DEBUG_FLAGS} -pipe'."
 DEFAULT_PREFERENCE[doc] = "Specifies a weak bias for recipe selection priority."
 DEPENDS[doc] = "Lists a recipe's build-time dependencies (i.e. other recipe files)."
 DEPLOY_DIR[doc] = "Points to the general area that the OpenEmbedded build system uses to place images, packages, SDKs and other output files that are ready to be used outside of the build system."
@@ -413,7 +413,7 @@
 TARGET_OS[doc] = "Specifies the target's operating system."
 TARGET_PREFIX[doc] = "The prefix for the cross-compile toolchain (e.g. arm-linux-)."
 TARGET_SYS[doc] = "The target system is comprised of TARGET_ARCH,TARGET_VENDOR and TARGET_OS."
-TCLIBC[doc] = "Specifies C library (libc) variant to use during the build process. You can select 'baremetal', 'glibc' or 'musl'."
+TCLIBC[doc] = "Specifies C library (libc) variant to use during the build process. You can select 'baremetal', 'glibc', 'musl' or 'newlib'."
 TCMODE[doc] = "Enables an external toolchain (where provided by an additional layer) if set to a value other than 'default'."
 TESTIMAGE_AUTO[doc] = "Enables test booting of virtual machine images under the QEMU emulator after any root filesystems are created and runs tests against those images each time an image is built."
 TEST_QEMUBOOT_TIMEOUT[doc] = "The time in seconds allowed for an image to boot before automated runtime tests begin to run against an image."