[FIX] Fix Typos in Docs and Comments

docs/dev/how_to/debugging_tvm.rst

@@ -53,7 +53,7 @@ optimization). To enable VLOGging, do the following:
    level assignments of the form ``<file_name>=<level>``. Here are some specializations:
 
     - The special filename ``DEFAULT`` sets the VLOG level setting for all files.
-    - ``<level>>`` can be set to ``-1`` to disable VLOG in that file.
+    - ``<level>`` can be set to ``-1`` to disable VLOG in that file.
     - ``<file_name>`` is the name of the c++ source file (e.g. ``.cc``, not ``.h``) relative to the
       ``src/`` directory in the TVM repo. You do not need to supply ``src/`` when specifying the
       file path, but if you do, VLOG will still interpret the path correctly.

gallery/tutorial/autotvm_relay_x86.py

@@ -344,7 +344,7 @@
 # .. admonition:: Setting Tuning Parameters
 #
 #   In this example, in the interest of time, we set the number of trials and
-#   early stopping to 10. You will likely see more performance improvements if
+#   early stopping to 20 and 100. You will likely see more performance improvements if
 #   you set these values to be higher but this comes at the expense of time
 #   spent tuning. The number of trials required for convergence will vary
 #   depending on the specifics of the model and the target platform.

gallery/tutorial/tvmc_command_line_driver.py

@@ -52,7 +52,7 @@
 # will vary depending on your platform and installation method.
 #
 # Alternatively, if you have TVM as a Python module on your
-# ``$PYTHONPATH``,you can access the command line driver functionality
+# ``$PYTHONPATH``, you can access the command line driver functionality
 # via the executable python module, ``python -m tvm.driver.tvmc``.
 #
 # For simplicity, this tutorial will mention TVMC command line using

include/tvm/relay/expr.h

@@ -265,7 +265,7 @@ class Var : public Expr {
 };
 
 /*!
- * \brief Returns \p vor with the given properties. A null property denotes 'no change'.
+ * \brief Returns \p var with the given properties. A null property denotes 'no change'.
  * Returns \p var if all properties are unchanged. Otherwise, returns a copy with the new
  * fields.
  */