This is true. In J.R.R. Tolkien’s work there is technically no “canon” version of Bilbo’s adventures. The Hobbit book is canonically a very biased account of events since it was written by Bilbo himself. Some of what he wrote was exaggerated, and some was flat out lies:
Here is the link to the original version vs. revised version of The Hobbit chapter 5:
(via: Pinterest)