X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=README.md;h=2cb75b1665cc2a3aebcd0f38bc0709d3412036c3;hp=d2ec4a23b9e87bf6efe83497bba5807fdff6b076;hb=99ad328584e02d6a0e90e0840e7c2820688c29ab;hpb=048145752b275063927779f2e08d593ecd996b25

diff --git a/README.md b/README.md
index d2ec4a23b..2cb75b166 100644
--- a/README.md
+++ b/README.md
@@ -20,22 +20,26 @@ components:
     that, the kernel version may probably be older, but we can't provide
     any guarantee. Please let us know if you are able to go lower
     without any problems.
-  - **[`liburcu`](http://urcu.so/) >= 0.8.0**: userspace RCU library,
+  - **[`liburcu`](http://www.liburcu.org/) >= 0.8.0**: userspace RCU library,
     by Mathieu Desnoyers and Paul E. McKenney.
   - **`libpopt` >= 1.13**:  command line arguments parsing library.
     - Debian/Ubuntu package: `libpopt-dev`
   - **`libuuid`**: universally unique ID library
     - Debian/Ubuntu package: `uuid-dev`
+  - **`libxml2` >= 2.7.6**:  XML document parsing library. Needed for
+    tracing session configuration saving/loading and machine interface
+    output support.
+    - Debian/Ubuntu package: `libxml2-dev`
+
 
 The following items are _optional_ dependencies:
 
   - **[Babeltrace](https://lttng.org/babeltrace)**: trace viewer.
     Enables the use of `lttng view` command.
     - Debian/Ubuntu package: `babeltrace`
-  - **`libxml2` >= 2.7.6**:  XML document parsing library. Needed for
-    tracing session configuration saving/loading and machine interface
-    output support.
-    - Debian/Ubuntu package: `libxml2-dev`
+  - **[LTTng UST](https://lttng.org) (same version as LTTng Tools)**: userspace tracer.
+    Enables the tracing of userspace applications.
+    - Debian/Ubuntu package: `liblttng-ust-dev`
   - **Perl**: needed for `make check` and tests.
   - **Python >= 3.0**: needed for `make check` and tests.
     - Debian/Ubuntu package: `python3`