Fix fonts/wording in figure captions

ch08.adoc

@@ -755,7 +755,7 @@ The value of **`quantization_nsd`** is an integer with **`1 \<= NSD \<= 7`** for
       ps:standard_name = "surface_air_pressure" ;
       ps:units = "Pa" ;
 ----
-Note how the same NSB is reported in two attributes of the data variable **`ps`**. The **`quantization`** container variable (**`quantization`**) **`implementation`** attribute reveals that the netCDF library applied the BitRound algorithm. The netCDF library wrote the system-defined **`_QuantizeBitRoundNumberOfSignificantBits`** attribute [<<NetCDF>>] which contains the same parameter value as the CF **`quantization_nsb`** attribute.
+Note how the same NSB is reported in two attributes of the data variable **`ps`**. The quantization variable (**`quantization_info`**) **`implementation`** attribute reveals that the netCDF library applied the BitRound algorithm. The netCDF library wrote the system-defined **`_QuantizeBitRoundNumberOfSignificantBits`** attribute [<<NetCDF>>] which contains the same parameter value as the CF **`quantization_nsb`** attribute.
 ====
 
 [[example-quantization-nsd-multiple-variables-nco]]
@@ -781,7 +781,7 @@ Quantization of different variables to different levels often makes good scienti
       ts:quantization = "quantization_info" ;
       ts:quantization_nsd = 3 ;
 ----
-Both variables were quantized by the same algorithm and so utilize the same **`quantization`** variable. **`quantization`** reveals that the Granular BitRound algorithm in NCO performed the quantization. Since the netCDF library did not perform the quantization, there is no system-defined long quantization attribute.
+Both variables were quantized by the same algorithm and so utilize the same quantization variable. **`quantization_info`** reveals that the Granular BitRound algorithm in NCO performed the quantization. Since the netCDF library did not perform the quantization, there is no system-defined long quantization attribute.
 ====
 
 [[quantization-algorithms-description, Section 8.4.3, "Description of Quantization Algorithms"]]